All is a riddle, and the key to a riddle...is another riddle.

Nothing external to you has any power over you.

Every hero becomes a bore at last.

Self-love is, in almost all men, such an over-weight that they are incredulous of a man's habitual preference of the general good to his own; but when they see it proved by sacrifices of ease, wealth, rank, and of life itself, there is no limit to their admiration.

Every man is not so much a workman in the world as he is a suggestion of that he should be. Men walk as prophecies of the next age.

A moment is a concentrated eternity.

There is always safety in valor.