“Do something everyday for no other reason than you would rather not do it, so that when the hour of dire need draws nigh, it may find you not unnerved and untrained to stand the test.”

“There can be no final truth in ethics any more than in physics, until the last man has had his experience and said his say.”

“The best argument I know for an immortal life is the existence of a man who deserves one.”

“The faculty of voluntarily bringing back a wandering attention, over and over again, is the very root of judgment, character, and will... An education which should improve this faculty would be the education par excellence.”

“Time itself comes in drops.”

“I am joined with no foot land-rakers, no long-staff, sixpenny strikers, none of these mad, mustachio purple-hued maltworms, but with nobility and tranquillity.”

“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.”

“An educated memory depends on an organized system of associations; and its goodness depends on two of their peculiarities: first, on the persistency of the associations; and, second, on their number.”