Monotheism has been defined as the belief in the existence of only one god that created the world, is all-powerful and intervenes in the world. A broader definition of monotheism is the belief in one god. A distinction may be made between exclusive monotheism, and both inclusive monotheism and pluriform (panentheistic) monotheism which, while recognising various distinct gods, postulate some underlying unity.
Monotheism is distinguished from henotheism, a religious system in which the believer worships one god without denying that others may worship different gods with equal validity, and monolatrism, the recognition of the existence of many gods but with the consistent worship of only one deity. The term "monolatry" was perhaps first used by Julius Wellhausen.
The broader definition of monotheism characterizes the traditions of Bábism, the Bahá'í Faith, Balinese Hinduism, Cao Dai (Caodaiism), Cheondoism (Cheondogyo), Christianity, Deism, Eckankar, Hindu sects such as Shaivism and Vaishnavism, Islam, Judaism, Mandaeism, Rastafari, Seicho no Ie, Sikhism, Tengrism (Tangrism), Tenrikyo (Tenriism), Yazidism, and Zoroastrianism, and elements of pre-monotheistic thought are found in early religions such as Atenism, ancient Chinese religion, and Yahwism.
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Quasi-monotheistic claims of the existence of a universal deity date to the Late Bronze Age, with Akhenaten's Great Hymn to the Aten. A possible inclination towards monotheism emerged during the Vedic period in Iron-Age South Asia. The Rigveda exhibits notions of monism of the Brahman, particularly in the comparatively late tenth book, which is dated to the early Iron Age, e.g. in the Nasadiya sukta.
Since the sixth century BCE, Zoroastrians have believed in the supremacy of one God above all: Ahura Mazda as the "Maker of All" and the first being before all others. Nonetheless, Zoroastrianism was not strictly monotheistic because it venerated other yazatas alongside Ahura Mazda. Ancient Hindu theology, meanwhile, was monist, but was not strictly monotheistic in worship because it still maintained the existence of many gods, who were envisioned as aspects of one supreme God, Brahman. Numerous ancient Greek philosophers, including Xenophanes of Colophon and Antisthenes believed in a similar polytheistic monism that came close to monotheism, but fell short. Judaism was the first religion to conceive the notion of a personal monotheistic God within a monist context. The concept of ethical monotheism, which holds that morality stems from God alone and that its laws are unchanging, first occurred in Judaism, but is now a core tenet of most modern monotheistic religions, including Zoroastrianism, Christianity, Islam, Sikhism, and Bahá'í Faith.
According to Jewish, Christian and Islamic tradition, monotheism was the original religion of humanity; this original religion is sometimes referred to as "the Adamic religion", or, in the terms of Andrew Lang, the "Urreligion". Scholars of religion largely abandoned that view in the 19th century in favour of an evolutionary progression from animism via polytheism to monotheism, but by 1974 this theory was less widely held, and a modified view similar to Lang's became more prominent.[need quotation to verify] Austrian anthropologist Wilhelm Schmidt had postulated an Urmonotheismus, "original" or "primitive monotheism" in the 1910s. It was objected[by whom?] that Judaism, Christianity, and Islam had grown up in opposition to polytheism as had Greek philosophical monotheism. More recently, Karen Armstrong and other authors have returned to the idea of an evolutionary progression beginning with animism, which developed into polytheism, which developed into henotheism, which developed into monolatry, which developed into true monotheism.
While all adherents of the Abrahamic religions consider themselves to be monotheists, some in Judaism do not consider Christianity to be a pure form of monotheism (due to The Christian doctrine of the Trinity), classifying it as Shituf. Islam likewise does not recognize modern-day Christianity as monotheistic, primarily due to the Christian doctrine of Trinity, which Islam argues was not a part of the original monotheistic Christianity as preached by Jesus. Christians, on the other hand, argue that the doctrine of the Trinity is a valid expression of monotheism, citing that the Trinity does not consist of three separate deities, but rather the three persons, who exist consubstantially (as one substance) within a single Godhead.
Judaism is one of the oldest monotheistic religions in the world, although some scholars have argued that the earliest Israelites (pre-7th century BCE) were monolatristic rather than monotheistic. God in later Judaism was strictly monotheistic, an absolute one, indivisible, and incomparable being who is the ultimate cause of all existence. The Babylonian Talmud references other, "foreign gods" as non-existent entities to whom humans mistakenly ascribe reality and power. One of the best-known statements of Rabbinical Judaism on monotheism is the Second of Maimonides' 13 Principles of faith:
God, the Cause of all, is one. This does not mean one as in one of a pair, nor one like a species (which encompasses many individuals), nor one as in an object that is made up of many elements, nor as a single simple object that is infinitely divisible. Rather, God is a unity unlike any other possible unity.
Some in Judaism and Islam reject the Christian idea of monotheism. Judaism uses the term shituf to refer to the worship of God in a manner which Judaism deems to be neither purely monotheistic (though still permissible for non-Jews) nor polytheistic (which would be prohibited).
During the 8th century BCE, the worship of YHWH in Israel was in competition with many other cults, described by the Yahwist faction collectively as Baals. The oldest books of the Hebrew Bible reflect this competition, as in the books of Hosea and Nahum, whose authors lament the "apostasy" of the people of Israel, threatening them with the wrath of God if they do not give up their polytheistic cults.
Ancient Israelite religion was originally polytheistic; the Israelites worshipped many deities, including El, Baal, Asherah, and Astarte. YHWH was originally the national god of the Kingdom of Israel and the Kingdom of Judah. As time progressed, the henotheistic cult of Yahweh grew increasingly militant in its opposition to the worship of other gods. Later, the reforms of King Josiah imposed a form of strict monolatrism. After the fall of Judah to Babylon, a small circle of priests and scribes gathered around the exiled royal court, where they first developed the concept of YHWH as the sole God of the world.
Shema Yisrael ("Hear, [O] Israel") are the first two words of a section of the Torah, and is the title of a prayer that serves as a centerpiece of the morning and evening Jewish prayer services. The first verse encapsulates the monotheistic essence of Judaism: "Hear, O Israel: the LORD our God, the LORD is one" (Hebrew: ? ?' ? ?' ), found in Deuteronomy 6:4, sometimes alternatively translated as "The LORD is our God, the LORD alone". Observant Jews consider the Shema to be the most important part of the prayer service in Judaism, and its twice-daily recitation as a mitzvah (religious commandment). It is traditional for Jews to say the Shema as their last words, and for parents to teach their children to say it before they go to sleep at night.
Among early Christians there was considerable debate over the nature of the Godhead, with some denying the incarnation but not the deity of Jesus (Docetism) and others later calling for an Arian conception of God. Despite at least one earlier local synod rejecting the claim of Arius, this Christological issue was to be one of the items addressed at the First Council of Nicaea.
The First Council of Nicaea, held in Nicaea (in present-day Turkey), convoked by the Roman Emperor Constantine I in 325, was the first ecumenical council of bishops of the Roman Empire, and most significantly resulted in the first uniform Christian doctrine, called the Nicene Creed. With the creation of the creed, a precedent was established for subsequent general ecumenical councils of bishops (synods) to create statements of belief and canons of doctrinal orthodoxy-- the intent being to define a common creed for the Church and address heretical ideas.
One purpose of the council was to resolve disagreements in Alexandria over the nature of Jesus in relationship to the Father; in particular, whether Jesus was of the same substance as God the Father or merely of similar substance. All but two bishops took the first position; while Arius' argument failed.
Christian orthodox traditions (Eastern Orthodox, Oriental Orthodox, Roman Catholic, and most Protestants) follow this decision, which was reaffirmed in 381 at the First Council of Constantinople and reached its full development through the work of the Cappadocian Fathers. They consider God to be a triune entity, called the Trinity, comprising three "persons", God the Father, God the Son, and God the Holy Spirit. These three are described as being "of the same substance" ().
Christians overwhelmingly assert that monotheism is central to the Christian faith, as the Nicene Creed (and others), which gives the orthodox Christian definition of the Trinity, begins: "I believe in one God". From earlier than the times of the Nicene Creed, 325 CE, various Christian figures advocated the triune mystery-nature of God as a normative profession of faith. According to Roger E. Olson and Christopher Hall, through prayer, meditation, study and practice, the Christian community concluded "that God must exist as both a unity and trinity", codifying this in ecumenical council at the end of the 4th century.
Most modern Christians believe the Godhead is triune, meaning that the three persons of the Trinity are in one union in which each person is also wholly God. They also hold to the doctrine of a man-god Christ Jesus as God incarnate. These Christians also do not believe that one of the three divine figures is God alone and the other two are not but that all three are mysteriously God and one. Other Christian religions, including Unitarian Universalism, Jehovah's Witnesses, Mormonism and others, do not share those views on the Trinity.
Some Christian faiths, such as Mormonism, argue that the Godhead is in fact three separate individuals which include God the Father, His Son Jesus Christ, and the Holy Ghost. Each individual having a distinct purpose in the grand existence of human kind. Furthermore, Mormons believe that before the Council of Nicaea, the predominant belief among many early Christians was that the Godhead was three separate individuals. In support of this view, they cite early Christian examples of belief in subordinationism.
In Islam, God (All?h) is all-powerful and all-knowing, the creator, sustainer, ordainer and judge of the universe.God in Islam is strictly singular (tawhid) unique (wahid) and inherently One (ahad), all-merciful and omnipotent. All?h exists without place and the Qur'an states that "No vision can grasp Him, but His grasp is over all vision. God is above all comprehension, yet is acquainted with all things" (Qur'an 6:103) All?h is the only God and the same God worshiped in Christianity and Judaism. (29:46).
Islam emerged in the 7th century CE in the context of both Christianity and Judaism, with some thematic elements similar to Gnosticism. Islamic belief states that Muhammad did not bring a new religion from God, but is rather the same religion as practiced by Abraham, Moses, David, Jesus and all the other prophets of God. The assertion of Islam is that the message of God had been corrupted, distorted or lost over time and the Quran was sent to Muhammad in order to correct the lost message of the Torah, New Testament and prior scriptures from God.
The Qur'an asserts the existence of a single and absolute truth that transcends the world; a unique and indivisible being who is independent of the creation. The Qur'an rejects binary modes of thinking such as the idea of a duality of God by arguing that both good and evil generate from God's creative act. God is a universal god rather than a local, tribal or parochial one; an absolute who integrates all affirmative values and brooks no evil.Ash'ari theology, which dominated Sunni Islam from the tenth to the nineteenth century, insists on ultimate divine transcendence and holds that divine unity is not accessible to human reason. Ash'arism teaches that human knowledge regarding it is limited to what was has been revealed through the prophets, and on such paradoxes as God's creation of evil, revelation has to accepted bila kayfa (without [asking] how).
Tawhid constitutes the foremost article of the Muslim profession of faith, "There is no god but God, Muhammad is the messenger of God. To attribute divinity to a created entity is the only unpardonable sin mentioned in the Qur'an. The entirety of the Islamic teaching rests on the principle of tawhid.
As they traditionally profess a concept of monotheism with a singular person as God, Judaism and Islam reject the Christian idea of monotheism. Judaism uses the term Shituf to refer to non-monotheistic ways of worshiping God. Though Muslims venerate Jesus (Isa in Arabic) as a prophet, they do not accept the doctrine that he was a begotten son of God.
According to the Quran, the Sabians were a monotheistic religious group. Some Hadiths account them as converts to Islam. However this interpretation may be related to the fact that Quraysh polytheists used to describe anyone who converted to Islam with the word "Saba" (/?) which may either mean that this term was used for anyone who changed his religion or that they identified the message of Muhammed as a "Sabian belief". The former linguistic explanation (i.e. saba = changed his religion) is the one adopted by most Muslim scholars.
Sabians are often identified with Mandaeism, a small monotheistic community which lives today in Iraq and call themselves Yahyawiya (Arabic: ?). Muslim scholars traditionally viewed them as followers of the prophets Noah and Yahya (i.e. John the Baptist).
God in the Bahá'í Faith is taught to be a personal god, too great for humans to fully comprehend. Human primitive understanding of God is achieved through his revelations via his divine intermediary Manifestations. In the Bahá'í faith, such Christian doctrines as the Trinity are seen as compromising the Bahá'í view that God is single and has no equal. And the very existence of the Bahá'í Faith is a challenge to the Islamic doctrine of the finality of Muhammad's revelation. God in the Bahá'í Faith communicates to humanity through divine intermediaries, known as Manifestations of God. These Manifestations establish religion in the world. It is through these divine intermediaries that humans can approach God, and through them God brings divine revelation and law.
The Oneness of God is one of the core teachings of the Bahá'í Faith. The obligatory prayers in the Bahá'í Faith involve explicit monotheistic testimony. God is the imperishable, uncreated being who is the source of all existence. He is described as "a personal God, unknowable, inaccessible, the source of all Revelation, eternal, omniscient, omnipresent and almighty". Although transcendent and inaccessible directly, his image is reflected in his creation. The purpose of creation is for the created to have the capacity to know and love its creator. God communicates his will and purpose to humanity through intermediaries, known as Manifestations of God, who are the prophets and messengers that have founded religions from prehistoric times up to the present day.
Amenhotep IV initially introduced Atenism in Year 5 of his reign (1348/1346 BCE) during the 18th dynasty of the New Kingdom. He raised Aten, once a relatively obscure Egyptian Solar deity representing the disk of the sun, to the status of Supreme God in the Egyptian pantheon. To emphasise the change, Aten's name was written in the cartouche form normally reserved for Pharaohs, an innovation of Atenism. This religious reformation appears to coincide with the proclamation of a Sed festival, a sort of royal jubilee intended to reinforce the Pharaoh's divine powers of kingship. Traditionally held in the thirtieth year of the Pharaoh's reign, this possibly was a festival in honour of Amenhotep III, who some Egyptologists think had a coregency with his son Amenhotep IV of two to twelve years.
Year 5 is believed to mark the beginning of Amenhotep IV's construction of a new capital, Akhetaten (Horizon of the Aten), at the site known today as Amarna. Evidence of this appears on three of the boundary stelae used to mark the boundaries of this new capital. At this time, Amenhotep IV officially changed his name to Akhenaten (Agreeable to Aten) as evidence of his new worship. The date given for the event has been estimated to fall around January 2 of that year. In Year 7 of his reign (1346/1344 BCE), the capital was moved from Thebes to Akhetaten (near modern Amarna), though construction of the city seems to have continued for two more years. In shifting his court from the traditional ceremonial centres Akhenaten was signalling a dramatic transformation in the focus of religious and political power.
The move separated the Pharaoh and his court from the influence of the priesthood and from the traditional centres of worship, but his decree had deeper religious significance too--taken in conjunction with his name change, it is possible that the move to Amarna was also meant as a signal of Akhenaten's symbolic death and rebirth. It may also have coincided with the death of his father and the end of the coregency. In addition to constructing a new capital in honor of Aten, Akhenaten also oversaw the construction of some of the most massive temple complexes in ancient Egypt, including one at Karnak and one at Thebes, close to the old temple of Amun.
In Year 9 (1344/1342 BCE), Akhenaten declared a more radical version of his new religion, declaring Aten not merely the supreme god of the Egyptian pantheon, but the only God of Egypt, with himself as the sole intermediary between the Aten and the Egyptian people. Key features of Atenism included a ban on idols and other images of the Aten, with the exception of a rayed solar disc, in which the rays (commonly depicted ending in hands) appear to represent the unseen spirit of Aten. Aten was addressed by Akhenaten in prayers, such as the Great Hymn to the Aten: "O Sole God beside whom there is none".
The details of Atenist theology are still unclear. The exclusion of all but one god and the prohibition of idols was a radical departure from Egyptian tradition, but most scholars see Akhenaten as a practitioner of monolatry rather than monotheism, as he did not actively deny the existence of other gods; he simply refrained from worshiping any but Aten. It is known that Atenism did not solely attribute divinity to the Aten. Akhenaten continued the cult of the Pharaoh, proclaiming himself the son of Aten and encouraging the Egyptian people to worship him. The Egyptian people were to worship Akhenaten; only Akhenaten and Nefertiti could worship Aten directly.
Under Akhenaten's successors, Egypt reverted to its traditional religion, and Akhenaten himself came to be reviled as a heretic.
The orthodox faith system held by most dynasties of China since at least the Shang Dynasty (1766 BCE) until the modern period centered on the worship of Shangdi (literally "Above Sovereign", generally translated as "God") or Heaven as an omnipotent force. This faith system pre-dated the development of Confucianism and Taoism and the introduction of Buddhism and Christianity. It has features of monotheism in that Heaven is seen as an omnipotent entity, a noncorporeal force with a personality transcending the world. From the writings of Confucius in the Analects, it is known Confucius believed that Heaven cannot be deceived, Heaven guides people's lives and maintains a personal relationship with them, and that Heaven gives tasks for people to fulfill in order to teach them of virtues and morality. However, this faith system was not truly monotheistic since other lesser gods and spirits, which varied with locality, were also worshiped along with Shangdi. Still, later variants such as Mohism (470 BCE-c.391 BCE) approached true monotheism, teaching that the function of lesser gods and ancestral spirits is merely to carry out the will of Shangdi, akin to the angels in Abrahamic religions which in turn counts as only one god. In Mozi's Will of Heaven (), he writes:
Will of Heaven, Chapter 27, Paragraph 6, ca. 5th century BCE
Worship of Shangdi and Heaven in ancient China includes the erection of shrines, the last and greatest being the Temple of Heaven in Beijing, and the offering of prayers. The ruler of China in every Chinese dynasty would perform annual sacrificial rituals to Shangdi, usually by slaughtering a completely healthy bull as sacrifice. Although its popularity gradually diminished after the advent of Taoism and Buddhism, among other religions, its concepts remained in use throughout the pre-modern period and have been incorporated in later religions in China, including terminology used by early Christians in China. Despite the rising of non-theistic and pantheistic spirituality contributed by Taoism and Buddhism, Shangdi was still praised up until the end of the Qing Dynasty as the last ruler of the Qing declared himself son of heaven.
The Himba people of Namibia practice a form of monotheistic panentheism, and worship the god Mukuru. The deceased ancestors of the Himba and Herero are subservient to him, acting as intermediaries.
The Igbo people practice a form of monotheism called Odinani. Odinani has monotheistic and panentheistic attributes, having a single God as the source of all things. Although a pantheon of spirits exists, these are lesser spirits prevalent in Odinani expressly serving as elements of Chineke (or Chukwu), the supreme being or high god.
Waaq is the name of a singular God in the traditional religion of many Cushitic people in the Horn of Africa, denoting an early monotheistic religion. However this religion was mostly replaced with the Abrahamic religions. Some (approximately 3%) of Oromo still follow this traditional monotheistic religion called Waaqeffannaa in Oromo.
The supreme god of the Proto-Indo-European religion was the god *Dy?us P?at?r . A number of words derived from the name of this supreme deity are used in various Indo-European languages to denote a monotheistic God. Nonetheless, in spite of this, Proto-Indo-European religion itself was not monotheistic.
In western Eurasia, the ancient traditions of the Slavic religion contained elements of monotheism. In the sixth century AD, the Byzantine chronicler Procopius recorded that the Slavs "acknowledge that one god, creator of lightning, is the only lord of all: to him do they sacrifice an ox and all sacrificial animals." The deity to whom Procopius is referring is the storm god Perún, whose name is derived from *Perkwunos, the Proto-Indo-European god of lightning. The ancient Slavs syncretized him with the Germanic god Thor and the Biblical prophet Elijah.
As an old religion, Hinduism inherits religious concepts spanning monotheism, polytheism, panentheism, pantheism, monism, and atheism among others; and its concept of God is complex and depends upon each individual and the tradition and philosophy followed.
Hindu views are broad and range from monism, through pantheism and panentheism (alternatively called monistic theism by some scholars) to monotheism and even atheism. Hinduism cannot be said to be purely polytheistic. Hindu religious leaders have repeatedly stressed that while God's forms are many and the ways to communicate with him are many, God is one. The puja of the murti is a way to communicate with the abstract one god (Brahman) which creates, sustains and dissolves creation.
Rig Veda 1.164.46,
Traditions of Gaudiya Vaishnavas, the Nimbarka Sampradaya and followers of Swaminarayan and Vallabha consider Krishna to be the source of all avatars, and the source of Vishnu himself, or to be the same as Narayana. As such, he is therefore regarded as Svayam Bhagavan.
When Krishna is recognized to be Svayam Bhagavan, it can be understood that this is the belief of Gaudiya Vaishnavism, the Vallabha Sampradaya, and the Nimbarka Sampradaya, where Krishna is accepted to be the source of all other avatars, and the source of Vishnu himself. This belief is drawn primarily "from the famous statement of the Bhagavatam" (1.3.28). A viewpoint differing from this theological concept is the concept of Krishna as an avatar of Narayana or Vishnu. It should be however noted that although it is usual to speak of Vishnu as the source of the avataras, this is only one of the names of the God of Vaishnavism, who is also known as Narayana, Vasudeva and Krishna and behind each of those names there is a divine figure with attributed supremacy in Vaishnavism.
The Rig Veda discusses monotheistic thought, as do the Atharva Veda and Yajur Veda: "Devas are always looking to the supreme abode of Vishnu" (tad vio? parama? pada? sad? pa?yanti s?raya? Rig Veda 1.22.20)
The number of auspicious qualities of God are countless, with the following six qualities (bhaga) being the most important:
In the Shaivite tradition, the Shri Rudram (Sanskrit ? ?), to which the Chamakam () is added by scriptural tradition, is a Hindu stotra dedicated to Rudra (an epithet of Shiva), taken from the Yajurveda (TS 4.5, 4.7). Shri Rudram is also known as Sri Rudraprasna, ?atarudr?ya, and Rudradhyaya. The text is important in Vedanta where Shiva is equated to the Universal supreme God. The hymn is an early example of enumerating the names of a deity, a tradition developed extensively in the sahasranama literature of Hinduism.
The Nyaya school of Hinduism has made several arguments regarding a monotheistic view. The Naiyanikas have given an argument that such a god can only be one. In the Nyaya Kusumanjali, this is discussed against the proposition of the Mimamsa school that let us assume there were many demigods (devas) and sages (rishis) in the beginning, who wrote the Vedas and created the world. Nyaya says that:
[If they assume such] omniscient beings, those endowed with the various superhuman faculties of assuming infinitesimal size, and so on, and capable of creating everything, then we reply that the law of parsimony bids us assume only one such, namely Him, the adorable Lord. There can be no confidence in a non-eternal and non-omniscient being, and hence it follows that according to the system which rejects God, the tradition of the Veda is simultaneously overthrown; there is no other way open.
In other words, Nyaya says that the polytheist would have to give elaborate proofs for the existence and origin of his several celestial spirits, none of which would be logical, and that it is more logical to assume one eternal, omniscient god.
Sikhi is a monotheistic and a revealed religion. God in Sikhi is called V?higur?, and is shapeless, timeless, and sightless: nira?k?r, akaal, and alakh. God is present (sarav vi?pak) in all of creation. God must be seen from "the inward eye", or the "heart". Sikhi devotees must meditate to progress towards enlightenment, as its rigorous application permits the existence of communication between God and human beings.
Sikhism is a monotheistic faith that arose in northern India during the 16th and 17th centuries. Sikhs believe in one, timeless, omnipresent, supreme creator. The opening verse of the Guru Granth Sahib, known as the Mul Mantra, signifies this:
The word "?" ("Ik ?a?k?r") has two components. The first is ?, the digit "1" in Gurmukhi signifying the singularity of the creator. Together the word means: "One Universal creator God".
It is often said that the 1430 pages of the Guru Granth Sahib are all expansions on the Mul Mantra. Although the Sikhs have many names for God, some derived from Islam and Hinduism, they all refer to the same Supreme Being.
The Sikh holy scriptures refer to the One God who pervades the whole of space and is the creator of all beings in the universe. The following quotation from the Guru Granth Sahib highlights this point:
"Chant, and meditate on the One God, who permeates and pervades the many beings of the whole Universe. God created it, and God spreads through it everywhere. Everywhere I look, I see God. The Perfect Lord is perfectly pervading and permeating the water, the land and the sky; there is no place without Him."-- Guru Granth Sahib, Page 782
However, there is a strong case for arguing that the Guru Granth Sahib teaches monism due to its non-dualistic tendencies:
Punjabi: ? ? ?
"You have thousands of Lotus Feet, and yet You do not have even one foot. You have no nose, but you have thousands of noses. This Play of Yours entrances me."-- Guru Granth Sahib, Page 13
Sikhs believe that God has been given many names, but they all refer to the One God, V?hiGur?. Sikhs believe that members of other religions such as Islam, Hinduism and Christianity all worship the same God, and the names Allah, Rahim, Karim, Hari, Raam and Paarbrahm are frequently mentioned in the Sikh holy scriptures. Although there is no set reference to God in Sikhism, the most commonly used Sikh reference to God is Akal Purakh (which means "the true immortal") or Waheguru, the Primal Being.
Zoroastrianism combines cosmogonic dualism and eschatological monotheism which makes it unique among the religions of the world. Zoroastrianism proclaims an evolution through time from dualism to monotheism.
Zoroastrianism is a monotheistic religion, although Zoroastrianism is often regarded as dualistic, duotheistic or bitheistic, for its belief in the hypostatis of the ultimately good Ahura Mazda (creative spirit) and the ultimately evil Angra Mainyu (destructive spirit). Zorastrianism was once one of the largest religions on Earth, as the official religion of the Persian Empire. By some scholars,[who?] the Zoroastrians ("Parsis" or "Zartoshtis") are credited with being some of the first monotheists and having had influence on other world religions. Gathered statistics shows the number of adherents at as many as 3.5 million, with adherents living in many regions, including South Asia.
The surviving fragments of the poems of the classical Greek philosopher Xenophanes of Colophon suggest that he held views very similar to those of modern monotheists. His poems harshly criticize the traditional notion of anthropomorphic gods, commenting that "...if cattle and horses and lions had hands or could paint with their hands and create works such as men do,... [they] also would depict the gods' shapes and make their bodies of such a sort as the form they themselves have." Instead, Xenophanes declares that there is "...one god, greatest among gods and humans, like mortals neither in form nor in thought." Xenophanes's theology appears to have been monist, but not truly monotheistic in the strictest sense. Although some later philosophers, such as Antisthenes, believed in doctrines similar to those expounded by Xenophanes, his ideas do not appear to have become widely popular.
Although Plato himself was a polytheist, in his writings, he often presents Socrates as speaking of "the god" in the singular form. He does, however, often speak of the gods in the plural form as well. The Euthyphro dilemma, for example, is formulated as "Is that which is holy loved by the gods because it is holy, or is it holy because it is loved by the gods?"
The development of pure (philosophical) monotheism is a product of the Late Antiquity. During the 2nd to 3rd centuries, early Christianity was just one of several competing religious movements advocating monotheism.
"The One" ( ) is a concept that is prominent in the writings of the Neoplatonists, especially those of the philosopher Plotinus. In the writings of Plotinus, "The One" is described as an inconceivable, transcendent, all-embodying, permanent, eternal, causative entity that permeates throughout all of existence.
A number of oracles of Apollo from Didyma and Clarus, the so-called "theological oracles", dated to the 2nd and 3rd century CE, proclaim that there is only one highest god, of whom the gods of polytheistic religions are mere manifestations or servants. 4th century CE Cyprus had, besides Christianity, an apparently monotheistic cult of Dionysus.
Aristotle's concept of the "Uncaused Cause"--never incorporated into the polytheistic ancient Greek religion--has been used by many exponents of Abrahamic religions to justify their arguments for the existence of the Judeo-Christian-Islamic God of the Abrahamic religions.
The Hypsistarians were a religious group who believed in a most high god, according to Greek documents. Later revisions of this Hellenic religion were adjusted towards Monotheism as it gained consideration among a wider populace. The worship of Zeus as the head-god signaled a trend in the direction of monotheism, with less honour paid to the fragmented powers of the lesser gods.
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Tengrism or Tangrism (sometimes stylized as Tengriism), occasionally referred to as Tengrianism , is a modern term for a Central Asian religion characterized by features of shamanism, animism, totemism, both polytheism and monotheism, and ancestor worship. Historically, it was the prevailing religion of the Bulgars, Turks, Mongols, and Hungarians, as well as the Xiongnu and the Huns. It was the state religion of the six ancient Turkic states: Avar Khaganate, Old Great Bulgaria, First Bulgarian Empire, Göktürks Khaganate, Eastern Tourkia and Western Turkic Khaganate. In Irk Bitig, Tengri is mentioned as Türük Tängrisi (God of Turks). The term is perceived among Turkic peoples as a national religion.
In Sino-Tibetan and Turco-Mongol traditions, the Supreme God is commonly referred to as the ruler of Heaven, or the Sky Lord granted with omnipotent powers, but it has largely diminished in those regions due to ancestor worship, Taoism's pantheistic views and Buddhism's rejection of a creator God, although Mahayana Buddhism does seem to keep a sense of divinity. On some occasions in the mythology, the Sky Lord as identified as a male has been associated to mate with an Earth Mother, while some traditions kept the omnipotence of the Sky Lord unshared.
Native American theology may be monotheistic, polytheistic, henotheistic, animistic, or some combination thereof.
Cherokee for example are monotheist as well as pantheist.
The Great Spirit, called Wakan Tanka among the Sioux, and Gitche Manitou in Algonquian, is a conception of universal spiritual force, or supreme being prevalent among some Native American and First Nation cultures. According to Lakota activist Russell Means a better translation of Wakan Tanka is the Great Mystery.
Some researchers have interpreted Aztec philosophy as fundamentally monotheistic or panentheistic. While the populace at large believed in a polytheistic pantheon, Aztec priests and nobles might have come to an interpretation of Teotl as a single universal force with many facets. There has been criticism to this idea, however, most notably that many assertions of this supposed monotheism might actually come from post-Conquistador bias, imposing an Antiquity pagan model unto the Aztec.
Evolutionary interpretations of the history of religion are usually understood to be an explanation of the phenomenon of religion as a result of a continuous development. The model for such development is the growth of living beings which leads to increasingly subtle differentiation and integration. Within such a framework of thought, monotheism would be interpreted as the result of a continuous development from animism, polytheism, henotheism and monolatry to belief in the one and only God. Such a development cannot be proved. Monotheism appeared suddenly, though not without being prepared for.
Christians were seen as polytheists, due to the doctrine of the Trinity. In the last few hundred years, rabbis have moderated this view slightly, but they still do not regard Christians as being fully monotheistic in the same manner as Jews or Muslims. Muslims were acknowledged as monotheists.
It is the Islamic belief that Christianity is not monotheistic, as it claims, but rather polytheistic with the trinity-the father, son and the Holy Ghost.
Hence all the power of magic became dissolved; and every bond of wickedness was destroyed, men's ignorance was taken away, and the old kingdom abolished God Himself appearing in the form of a man, for the renewal of eternal life.-- St. Ignatius of Antioch in Letter to the Ephesians, ch.4, shorter version, Roberts-Donaldson translation
We have also as a Physician the Lord our God Jesus the Christ the only-begotten Son and Word, before time began, but who afterwards became also man, of Mary the virgin. For 'the Word was made flesh.' Being incorporeal, He was in the body; being impassible, He was in a passable body; being immortal, He was in a mortal body; being life, He became subject to corruption, that He might free our souls from death and corruption, and heal them, and might restore them to health, when they were diseased with ungodliness and wicked lusts-- St. Ignatius of Antioch in Letter to the Ephesians, ch.7, shorter version, Roberts-Donaldson translation
The Church, though dispersed throughout the whole world, even to the ends of the earth, has received from the apostles and their disciples this faith: ...one God, the Father Almighty, Maker of heaven, and earth, and the sea, and all things that are in them; and in one Christ Jesus, the Son of God, who became incarnate for our salvation; and in the Holy Spirit, who proclaimed through the prophets the dispensations of God, and the advents, and the birth from a virgin, and the passion, and the resurrection from the dead, and the ascension into heaven in the flesh of the beloved Christ Jesus, our Lord, and His manifestation from heaven in the glory of the Father 'to gather all things in one,' and to raise up anew all flesh of the whole human race, in order that to Christ Jesus, our Lord, and God, and Savior, and King, according to the will of the invisible Father, 'every knee should bow, of things in heaven, and things in earth, and things under the earth, and that every tongue should confess; to him, and that He should execute just judgment towards all...
For, in the name of God, the Father and Lord of the universe, and of our Savior Jesus Christ, and of the Holy Spirit, they then receive the washing with water