The greatest part of mankind want leisure or capacity for demonstration, nor can carry a train of proofs, which in that way they must always depend upon for conviction, and cannot be required to assent to till they see the demonstration. Wherever they stick, the teachers are always put upon proof, and must clear the doubt by a thread of coherent deductions from the first principle, how long or how intricate soever that be. And you may as soon hope to leave all the day labourers and tradesmen, the spinsters and dairy-maids, perfect mathematicians, as to have them perfect in ethics this way: having plain commands is the sure and only course to bring them to obedience and practice: the greatest part cannot know, and therefore they must believe. And I ask, whether one coming from heaven in the power of God, in full and clear evidence and demonstration of miracles, giving plain and direct rules of morality and obedience, be not likelier to enlighten the bulk of mankind, and set them right in their duties, and bring them to do them, than by reasoning with them from general notions and principles of human reason?
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§ 243John Locke
"Reason" said Locke, "must be our last judge and guide in everything". In The Reasonableness of Christianity he wrote that "the day labourers and tradesmen, the spinsters and dairy maids" must be told what to think. "The greatest part cannot know, and therefore they must believe." But at least Locke did not intend that priests should do the telling; that was for God himself.
John Locke
Changing a rod into a serpent and the serpent back into a rod may be clever magic, but how does such a demonstration prove that Moses spoke to God? If the only thing necessary to prove the truth of an extraordinary claim were to demonstrate an ability to bewilder, there would be no more mysteries to solve.
If a person claims that he can bring the dead back to life, and in proof of that power pulls a rabbit out of a hat, that is hardly a demonstration of the truth of his claim; it is merely an example of his ability in the art of deception. If he claims that he can fly without wings and without the use of mechanical help of any kind, and in proof of his ability pulls another rabbit out of another hat, that is not proof of his ability to fly, but of his ability to lie, and he will without much hesitation be condemned as a faker. The demonstration of one thing has absolutely no bearing in proving the truth of the other, when there is no relationship between them.Joseph Lewis
What prevented Him from making His primary object a direct commandment to us, and to give us the capacity of obeying it? ...As it is the chief object and purpose of God that we should believe in the Law, and act according to that which is written therein, why has He not given us the capacity of continually believing in it, and following its guidance, instead of holding out to us reward for obedience, and punishment for disobedience, or of actually giving all the predicted reward and punishment? For [the promises and the threats] are but the means of leading to this chief object. What prevented Him from giving us, as part of our nature, the will to do that which He desires us to do, and to abandon the kind of worship which He rejects? There is one general answer to these three questions, and all questions of the character; it is this: Although in every one of the signs [related in Scripture] the natural property of some individual being is changed, the nature of man is never changed by God by way of miracle. ...it is in His power, according to the principles taught in Scripture, but it has never been His will to do it, and it never will be. If it were part of His will to change [at His desire] the nature of any person, the mission of prophets and the giving of the Law would have been altogether superfluous.
Maimonides
The hardest part about gaining any new idea is sweeping out the false idea occupying that niche. As long as that niche is occupied, evidence and proof and logical demonstration get nowhere. But once the niche is emptied of the wrong idea that has been filling it — once you can honestly say, "I don't know", then it becomes possible to get at the truth.
Robert A. Heinlein
All presentation, all demonstration—and the presentation of thought is demonstration—has, according to its original determination—and this is all that matters to us—the cognitive activity of the other person as its ultimate aim.
Ludwig Andreas Feuerbach
Locke, John
Locker-Lampson, Frederick
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