Fideism is an epistemological theory which maintains that faith is independent of reason, or that reason and faith are hostile to each other and faith is superior at arriving at particular truths (see natural theology). The word fideism comes from fides, the Latin word for faith, and literally means "faith-ism."
Theologians and philosophers have responded in various ways to the place of faith and reason in determining the truth of metaphysical ideas, morality, and religious beliefs. A fideist is one who argues for fideism. Historically, fideism is most commonly ascribed to four philosophers: Pascal, Kierkegaard, William James, and Wittgenstein; with fideism being a label applied in a negative sense by their opponents, but which is not always supported by their own ideas and works or followers. There are a number of different forms of fideism.
Alvin Plantinga defines "fideism" as "the exclusive or basic reliance upon faith alone, accompanied by a consequent disparagement of reason and utilized especially in the pursuit of philosophical or religious truth." The fideist therefore "urges reliance on faith rather than reason, in matters philosophical and religious," and therefore may go on to disparage the claims of reason. The fideist seeks truth, above all: and affirms that reason cannot achieve certain kinds of truth, which must instead be accepted only by faith. Plantinga's definition might be revised to say that what the fideist objects to is not so much "reason" per se--it seems excessive to call Blaise Pascal anti-rational--but evidentialism: the notion that no belief should be held unless it is supported by evidence.
The doctrine of fideism is consistent with some, and radically contrary to other theories of truth:
Tertullian's De Carne Christi (On the Flesh of Christ]). says "...the Son of God died; it is by all means to be believed, because it is absurd." The statement "Credo quia absurdum" ("I believe because it is absurd"), is sometimes cited as an example of views of the Church Fathers, but this appears to be a misquotation of Tertullian.
Tertullian's statement, however, is not a fideist position; Tertullian was critiquing intellectual arrogance and the misuse of philosophy, but he remained committed to reason and its usefulness in defending the faith.
Martin Luther taught that faith informs the Christian's use of reason. Regarding the mysteries of Christian faith, he wrote, "All the articles of our Christian faith, which God has revealed to us in His Word, are in presence of reason sheerly impossible, absurd, and false." And "Reason is the greatest enemy that faith has." However, Luther conceded that, grounded upon faith in Christ, reason can be used in its proper realm, as he wrote, "Before faith and the knowledge of God reason is darkness in divine matters, but through faith it is turned into a light in the believer and serves piety as an excellent instrument. For just as all natural endowments serve to further impiety in the godless, so they serve to further salvation in the godly. An eloquent tongue promotes faith; reason makes speech clear, and everything helps faith forward. Reason receives life from faith; it is killed by it and brought back to life."
Another form of fideism is assumed by Pascal's Wager. Blaise Pascal invites the atheist considering faith to see faith in God as a cost-free choice that carries a potential reward. He does not attempt to argue that God indeed exists, only that it might be valuable to assume that it is true. Of course, the problem with Pascal's Wager is that it does not restrict itself to a specific God, although Pascal did have in mind the Christian God as is mentioned in the following quote. In his Pensées, Pascal writes:
Who then will blame Christians for not being able to give reasons for their beliefs, since they profess belief in a religion which they cannot explain? They declare, when they expound it to the world, that it is foolishness, stultitiam; and then you complain because they do not prove it! If they proved it, they would not keep their word; it is through their lack of proofs that they show they are not lacking in sense.-- Pensées, nº 233
Pascal moreover contests the various proposed proofs of the existence of God as irrelevant. Even if the proofs were valid, the beings they propose to demonstrate are not congruent with the deity worshiped by historical faiths, and can easily lead to deism instead of revealed religion: "The God of Abraham, Isaac, and Jacob--not the god of the philosophers!"
Considered to be the father of modern antirationalism, Johann Georg Hamann promoted a view that elevated faith alone as the only guide to human conduct. Using the work of David Hume he argued that everything people do is ultimately based on faith. Without faith (for it can never be proven) in the existence of an external world, human affairs could not continue; therefore, he argued, all reasoning comes from this faith: it is fundamental to the human condition. Thus all attempts to base belief in God using Reason are in vain. He attacks systems like Spinozism that try to confine what he feels is the infinite majesty of God into a finite human creation.
Natural theologians may argue that Kierkegaard was a fideist of this general sort--that God's existence cannot be certainly known, and that the decision to accept faith is neither founded on, nor needs, rational justification--may be found in the writings of Søren Kierkegaard and his followers in Christian existentialism. Many of Kierkegaard's works, including Fear and Trembling, are under pseudonyms; they may represent the work of fictional authors whose views correspond to hypothetical positions, not necessarily those held by Kierkegaard himself.
In Fear and Trembling, Kierkegaard focused on Abraham's willingness to sacrifice Isaac. The New Testament apostles repeatedly argued that Abraham's act was an admirable display of faith. To the eyes of a non-believer, however, it must necessarily have appeared to be an unjustifiable attempted murder, perhaps the fruit of an insane delusion. Kierkegaard used this example to focus attention on the problem of faith in general. He ultimately affirmed that to believe in the incarnation of Christ, in God made flesh, was to believe in the "absolute paradox", since it implies that an eternal, perfect being would become a simple human. Reason cannot possibly comprehend such a phenomenon; therefore, one can only believe in it by taking a "leap of faith".
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American pragmatic philosopher and psychologist William James introduced his concept of the "will to believe" in 1896. Following upon his earlier theories of truth, James argued that some religious questions can only be answered by believing in the first place: one cannot know if religious doctrines are true without seeing if they work, but they cannot be said to work unless one believes them in the first place.
William James published many works on the subject of religious experience. His four key characteristics of religious experience are: 'passivity', 'ineffability', 'a noetic quality' and 'transiency'. Due to the fact that religious experience is fundamentally ineffable, it is impossible to hold a coherent discussion of it using public language. This means that religious belief cannot be discussed effectively, and so reason does not affect faith. Instead, faith is found through experience of the spiritual, and so understanding of belief is only gained through the practice of it.
The philosopher Ludwig Wittgenstein did not write systematically about religion, though he did lecture on the topic. Some of his students' notes have been collected and published. On the other hand, it has been asserted that religion as a "form of life" is something that intrigued Wittgenstein to a great degree. In his 1967 article, entitled "Wittgensteinian Fideism," Kai Nielsen argues that certain aspects of Wittgenstein's thought have been interpreted by Wittgensteinians in a "fideistic" manner. According to this position, religion is a self-contained--and primarily expressive--enterprise, governed by its own internal logic or "grammar". This view--commonly called Wittgensteinian fideism--states: (1) that religion is logically cut off from other aspects of life; (2) that religious concepts and discourse are essentially self-referential; and (3) that religion cannot be criticized from an external (i.e., non-religious) point of view. Although there are other aspects that are often associated with the phenomena of Wittgensteinian fideism, Kai Nielsen has argued that such interpretations are implausible misrepresentations of the position. It is worth noting, however, that no self-proclaimed Wittgensteinian actually takes Nielsen's analysis to be at all representative of either Wittgenstein's view, or their own. This is especially true of the best-known Wittgensteinian philosopher of religion, D. Z. Phillips, who is also the best-known "Wittgensteinan fideist." In their book "Wittgensteinian fideism?" (SCM Press, 2005) D. Z. Phillips and Kai Nielsen debate the status of Wittgensteinian fideism. Both agree that the position "collapses," though they think it fails for different reasons. For Nielsen, the position is socially and politically irresponsible since it ignores prudential, practical, and pragmatic considerations as a basis for criticizing different language games. For Phillips, the position fails because it is not Wittgensteinian, and thus is a caricature of his position. Amongst other charges, Nielsen argues, most forcefully in an article entitled "On Obstacles of the Will," that Phillips' Wittgensteinian view is relevantly fideistic and that it, therefore, fails on the grounds that it cannot account for the possibility of external, cultural criticism. Phillips, in turn, in the last article in the book, entitled "Wittgenstein: Contemplation and Cultural Criticism," argues that the position is not Wittgensteinian at all, and that Wittgenstein's considered view not only allows for the possibility of external, cultural criticism, but also "advances" philosophical discussion concerning it.
Presuppositional apologetics is a Christian system of apologetics associated mainly with Calvinist Protestantism; it attempts to distinguish itself from fideism. It holds that all human thought must begin with the proposition that the revelation contained in the Bible is axiomatic, rather than transcendentally necessary, else one would not be able to make sense of any human experience (see also epistemic foundationalism). To a non-believer who rejects the notion that the truth about God, the world, and themselves can be found within the Bible, the presuppositional apologist attempts to demonstrate the incoherence of the epistemic foundations of the logical alternative by the use of what has come to be known as the "Transcendental Argument for God's existence" (TAG). On the other hand, some presuppositional apologists, such as Cornelius Van Til, believe that such a condition of true unbelief is impossible, claiming that all people actually believe in God (even if only on a subconscious level), whether they admit or deny it.
Catholic doctrine rejects fideism. The Catechism of the Catholic Church, representing Catholicism's great regard for Thomism, the teachings of St. Thomas Aquinas, affirms that it is a Catholic doctrine that God's existence can indeed be demonstrated by reason. Aquinas' position, which is to be distinguished from rationalism, has deep roots in Western Christianity; it goes back to St. Anselm of Canterbury's observation that the role of reason was to explain faith more fully: fides quaerens intellectum, "faith seeking understanding," is his formula.
The official position of the Catholic Church is that while the existence of the one God can in fact be demonstrated by reason, nevertheless on account of the distortion of human nature caused by the first sin, humans can be deluded to deny the claims of reason that demonstrate God's existence. The Anti-Modernist oath promulgated by Pope Pius X required Catholics to affirm that:
...God, the origin and end of all things, can be known with certainty by the natural light of reason from the created world (cf. Rom. 1:20), that is, from the visible works of creation, as a cause from its effects, and that, therefore, his existence can also be demonstrated...
Similarly, the Catechism of the Catholic Church teaches that:
Though human reason is, strictly speaking, truly capable by its own natural power and light of attaining to a true and certain knowledge of the one personal God, who watches over and controls the world by his providence, and of the natural law written in our hearts by the Creator; yet there are many obstacles which prevent reason from the effective and fruitful use of this inborn faculty. For the truths that concern the relations between God and man wholly transcend the visible order of things, and, if they are translated into human action and influence it, they call for self-surrender and abnegation. The human mind, in its turn, is hampered in the attaining of such truths, not only by the impact of the senses and the imagination, but also by disordered appetites which are the consequences of original sin. So it happens that men in such matters easily persuade themselves that what they would not like to be true is false or at least doubtful.-- Catechism of the Catholic Church, ss. 37.
Pope John Paul II's encyclical Fides et Ratio also affirms that God's existence is in fact demonstrable by reason, and that attempts to reason otherwise are the results of sin. In the encyclical, John Paul II warned against "a resurgence of fideism, which fails to recognize the importance of rational knowledge and philosophical discourse for the understanding of faith, indeed for the very possibility of belief in God."
Historically, there have been a number of fideist strains within the Catholic orbit. Catholic traditionalism, exemplified in the nineteenth century by Joseph de Maistre, emphasized faith in tradition as the means of divine revelation. The claims of reason are multiple, and various people have argued rationally for several contradictory things: in this environment, the safest course is to hold true to the faith that has been preserved through tradition, and to resolve to accept what the Church has historically taught. In his essay Du pape ("On the Pope"), de Maistre argued that it was historically inevitable that all of the Protestant churches would eventually seek reunification and refuge in the Catholic Church: science was the greater threat, it threatened all religious faith, and "no religion can resist science, except one."
Another refuge of fideist thinking within the Catholic Church is the concept of "signs of contradiction". According to this belief, the holiness of certain people and institutions is confirmed by the fact that other people contest their claims: this opposition is held to be worthy of comparison to the opposition met by Jesus Christ himself. This opposition and contradiction does not inherently prove something is true in Catholic thought, but only acts an additional possible indication of its truth. The idea of the sign of contradiction is related to the conviction that, while human reason is still operative, the distortion of fallen human nature causes concrete instances of reasoning to grope and often to go astray.
Fideism has received criticism from theologians who argue that fideism is not a proper way to worship God. According to this position, if one does not attempt to understand what one believes, one is not really believing. "Blind faith" is not true faith. Notable articulations of this position include:
Fideism can lead to relativism. The existence of other religions puts a fundamental question to fideists--if faith is the only way to know the truth of God, how are we to know which God to have faith in? Fideism alone is not considered an adequate guide to distinguish true or morally valuable revelations from false ones. An apparent consequence of fideism is that all religious thinking becomes equal. The major monotheistic religions become on par with obscure fringe religions, as neither can be advocated or disputed.
These critics note that people successfully use reason in their daily lives to solve problems and that reason has led to progressive increase of knowledge in the sphere of science. This gives credibility to reason and argumentative thinking as a proper method for seeking truth.
I do not feel obliged to believe that the same God who has endowed us with sense, reason and intellect has intended us to forgo their use.-- Galileo Galilei
On the other hand, according to these critics, there is no evidence that a religious faith that rejects reason would also serve us while seeking truth.