Every fact is related on one side to sensation, and, on the other, to morals. The game of thought is, on the appearance of one of these two sides, to find the other: given the upper, to find the under side.

Genius always finds itself a century too early.

Trust your instinct to the end, though you can render no reason.

Men love to wonder, and that is the seed of science.

Two sorts of writers possess genius: those who think, and those who cause others to think.

History is full, down to this day, of the imbecility of kings and governors. They are a class of persons much to be pitied, for they know not what they should do.

We dress our garden, eat our dinners, discuss the household with our wives, and these things make no impression, are forgotten next week; but in the solitude to which every man is always returning, he has a sanity and revelations, which in his passage into new worlds he will carry with him. Never mind the ridicule, never mind the defeat: up again, old heart! — it seems to say, — there is victory yet for all justice; and the true romance which the world exists to realize, will be the transformation of genius into practical power.