"A man may do very well with a very little knowledge, and scarce be found out in mixed company; everybody is so much more ready to produce his own, than to call for a display of your acquisitions."

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The 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 James