“If reason (I mean abstract reason, derived from inquiries a priori) be not alike mute with regard to all questions concerning cause and effect, this sentence at least it will venture to pronounce, That a mental world, or universe of ideas, requires a cause as much, as does a material world, or universe of objects; and, if similar in its arrangement, must require a similar cause. For what is there in this subject, which should occasion a different conclusion or inference? In an abstract view, they are entirely alike; and no difficulty attends the one supposition, which is not common to both of them.”

—  David Hume, book Dialogues Concerning Natural Religion

Philo to Cleanthes, Part IV
Dialogues Concerning Natural Religion (1779)

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David Hume138
Scottish philosopher, economist, and historian 1711–1776

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“Nothing carries so much authority today as science, but there is actually no such thing as ‘the scientific world-view’. Science is a method of inquiry, not a view of the world. Knowledge is growing at accelerating speed; but no advance in science will tell us whether materialism is true or false, or whether humans possess free will. The belief that the world is composed of matter is metaphysical speculation, not a testable theory. Science may succeed in explaining events in terms of causes and effects. In some accounts it may be able to formulate laws of nature. But what does it mean for something to cause something else and what is a law of nature? These are questions for philosophy or religion, not for science.”

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“To the question, What is the right relation between reason and religion, you will now understand me to answer, It is that reason should be the source of which religion is the issue; that reason, when most itself, will unquestionably be religious, but that religion must for just that cause be entirely rational; that reason is the final authority from which religion must derive its warrant, and with which its contents must comply; that all religious doctrines and instrumentalities, all religious practices, all religious institutions, and all records of religion, whether in tradition or in scripture, must alike submit their claims at the bar of general human reason, and that only those approved in that tribunal can be regarded as of weight or of obligation; in short, that the only real basis of religion is our human reason, the only seat of its authority our genuine human nature, the only sufficient witness of God the human soul. Reason, I shall endeavour to show, is not confined to the mastery of the sense-world and the goods of this world only, but does cover all the range of being, and found and rule the world eternal; it is not merely natural, it is also spiritual; it is itself, when come to itself, the true divine revelation.”

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Context: The Inquisition, by defining and limiting knowledge, was evil. The Taliban, by defining truth and refusing girls an education, is evil. Any religion that says it knows the one and only truth is evil, because it limits knowledge. Any political body that says it owns the truth is evil. Same reason.
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