Truths emerge from facts, but they dip forward into facts again and add to them; which facts again create or reveal new truth (the word is indifferent) and so on indefinitely. The 'facts' themselves meanwhile are not true. They simply are. Truth is the function of the beliefs that start and terminate among them.
William JamesThe perfect stillness of the night was thrilled by a more solemn silence. The darkness held a presence that was all the more felt because it was not seen. I could not any more have doubted that HE was there than that I was. Indeed, I felt myself to be, if possible, the less real of the two.
William JamesHow many of us persist in a precipitate course which, but for a moment of heedlessness we might never have entered upon, simply because we hate to change our minds.
William JamesTrue ideas are those that we can assimilate, validate, corroborate, and verify. False ideas are those that we cannot
William JamesThe entire routine of our memorized acquisitions, for example, is a consequence of nothing but the Law of Contiguity. The words of a poem, the formulas of trigonometry, the facts of history, the properties of material things, are all known to us as definite systems or groups of objects which cohere in an order fixed by innumerable iterations, and of which any one part reminds us of the others.
William JamesBut it is the bane of psychology to suppose that where results are similar, processes must be the same. Psychologists are too apt to reason as geometers would, if the latter were to say that the diameter of a circle is the same thing as its semi-circumference, because, forsooth, they terminate in the same two points.
William James