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In order to disprove the assertion that all crows are black, one white crow is sufficient.

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Science must constantly be reminded that her purposes are not the only purposes and that the order of uniform causation which she has use for and is ...more

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The God of many men is little more than their court of appeal against the damnatory judgement passed on their failures by the opinion of the world.

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Round about the accredited and orderly facts of every science there ever floats a sort of dust-cloud of exceptional observations, of occurrences minut...more

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Metaphysics means nothing but an unusually obstinate effort to think clearly. The fundamental conceptions of psychology are practically very clear to ...more

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Science, like life, feeds on its own decay. New facts burst old rules; then newly divined conceptions bind old and new together into a reconciling law...more