Disobedience- that is the nobility of slaves.

The hour when you say, "What does my happiness matter? It is poverty and filth, and a wretched complacency. Yet my happiness should justify existence itself!

This is what is hardest: to close the open hand because one loves.

You must be born for your physician, otherwise you are bound to perish because of your physician.

The public easily confuses him who fishes in troubled waters with him who draws up water from the depths.

Human life is inexplicable, and still without meaning: a fool may decide its fate.

We criticize a thinker more acutely when he advances a proposition that is disagreeable to us; and yet it would be more reasonableto do so when his proposition is agreeable to us.