“The fact that a belief has a good moral effect upon a man is no evidence whatsoever in favor of its truth.”

BBC Radio Debate on the Existence of God, Russell vs. Copleston (1948)
1940s

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Bertrand Russell 562
logician, one of the first analytic philosophers and politi… 1872–1970

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“A very eminent writer has observed, that "the conversion of the Gentile world, whether we consider the difficulties attending it, the opposition made to it, the wonderful work wrought to accomplish it, or the happy effects and consequences of it, may be considered as a more illustrious evidence of God's power, than even our Saviour's miracles of casting out devils, healing the sick, and raising the dead." Indeed, a miracle said to have been wrought without any attending circumstances to justify such an exertion of divine power, could not easily be rendered credible; and our author's argument proves no more. If it were related, that about 1700 years ago, a man was raised from the dead, without its answering any other end than that of restoring him to life, Iconfess that no degree of evidence could induce me tobelieve it; but if the moral government of God appeared in that event, and there were circumstances attending it which could not be accounted for by any human means, the fact becomes credible. When two extraordinary events are thus connected, the proof of one established the truth of the other. Our author has reasoned upon the fact as standing alone, in which case it would not be easy to disprove some of his reasoning; but the fact should be considered in a moral view - as connected with the establishment of a pure religion, and it then becomes credible. In the proof of any circumstance, we must consider every principle which tends to establish it; whereas our author, by considering the case of a man said to have been raised from the dead, simpli in a physical point of view, without any reference to a moral end, endavours to show that it cannot be rendered credible; and, from such principles, we may admit his conclusions without affecting the credibility of Christianity. The general principle on which he establishes his argument, is not the great foundation upon which the evidence of Christianity rests. He says, "Notestimony can be sufficient to establish a miracle, unless it be of such a kind, that the falsehood would be more miraculous than the fact which it endavours to prove." Now this reasoning, at furthest, can only be admitted in those cases where the fact has nothing but testimony to establish it. But the proofs of Christianity do not rest simply upon the testimony of its first promulgators, and that of those who were affterwards the instruments of communicating it; but they rest principally upon the acknowledged and very extraordinary affects which were produced by the preaching of a few unlearned, obscure persons, who taught "Christ crucified;" and it is upon these indisuptable matters of ffact which we reason; and when the effects are totally unaccountable upon any principle which we can collect from the operation of human means, we must either admit miracles, or admit an effect without an adequate cause. Also, when the proof of any position depends upon arguments drawn from various sources, all concutring to establish its turh, to select some one circumstance, and atrempt to show that that alone is not sufficient to render the fact credible, and thence infer that it is not ture, is a conclusion not to be admitted. But it is thus that our author has endavoured to destroy the credibiliry of Christianity, the evidences of which depend upon a great variety of circumstances and facts which are indisputably true, all cooperating to confirm its truth; but an examination of these falls not whithin the plan here proposed. He rests all his arguments upon the extraordinary nature of the fact, considered alone by itself; for a common fact, with the same evidence, would immediately be admitted. I have endavoured to show, that the extraordinary nature, as much as the mosst common events are necessary to fulfill the usual dispensations of Providence, and therefore the Deity was then direted by the same motive as in a more ordinary case, that of affording us such assitance as our moral condition renders necessary. In the establishment of a pur religion, the proof of its divine origin may require some very extraordinary circumstances which may never afterwards be requisite, and accordingly we find that they have not happened. Here is therefore a perfect concistencty in the operation of the Deity, in his moral government, and not a violation of the laws of nature: Secondly, the fact is immediately connected with others which are indisputably true, and which, without the supossition of the truth of that fact, would be, at least, equally miraculous. Thus I conceive the reasoning of our author to be totally inconclusive; and the argumentss which have been employed to prove the fallacy of his conclusions, appear at the same time, fully to justify our belief in, and prove the moral certainty of, our holy religion.”

Samuel Vince (1749–1821) British mathematician, astronomer and physicist

Source: The Credibility of Christianity Vindicated, p. 27; As quoted in " Book review http://books.google.nl/books?id=52tAAQAAMAAJ&pg=PA262," in The British Critic, Volume 12 (1798). F. and C. Rivington. p. 262-263

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