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 mother needs happy, reputable children, and that one needs unhappy ones: otherwise she cannot show her kindness as a mother.

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

Virtues are dangerous as vices insofar as they are allowed to rule over one as authorities and not as qualities one develops oneself.

At the very moment when someone is beginning to take philosophy seriously, the whole world believes the opposite.

You have your way. I have my way. As for the right way, the correct way, and the only way, it does not exist.

All credibility, all good conscience, all evidence of truth come only from the senses.