If you would not be known to do anything, never do it.

When science is learned in love, and its powers are wielded by love, they will appear the supplements and continuations of the material creation.

The student is to read history actively and not passively; to esteem his own life the text, and books the commentary. Thus compelled, the muse of history will utter oracles as never to those who do not respect themselves.

Character is higher than intellect. Thinking is the function; living is the functionary.

No facts are to me sacred; none are profane; I simply experiment, an endless seeker, with no past at my back.

Nature always wears the colors of the spirit. To a man laboring under calamity, the heat of his own fire hath sadness in it.

Success to the strongest, who are always, at last, the wisest and best.