Don't give us your doubts, gives us your certainties, for we have doubts enough of our own.

No two men see the world exactly alike, and different temperaments will apply in different ways a principle that they both acknowledge.

The greatest evil that can befall man is that he should come to think ill of himself.

For the butterfly, mating and propagation involve the sacrifice of life, for the human being, the sacrifice of beauty.

If I love you, what business is it of yours?

Animals, we have been told, are taught by their organs. Yes, I would add, and so are men, but men have this further advantage that they can also teach their organs in return.

It is commonly the personal character of a writer which gives him his public significance. It is not imparted by his genius. Napoleon said of Corneille, "Were he living I would make him a king;" but he did not read him. He read Racine, yet he said nothing of the kind of Racine.