Jacques Rousseau

The thirst after happiness is never extinguished in the heart of a man.

Rather suffer an injustice than commit one.

[Also quoted as  Yiddish proverb]

What wisdom can you find that is greater than kindness?

Women, in general, are not attracted to art at all, nor knowledge, and not at all to genius.

Never exceed your rights, and they will soon become unlimited.

The mechanism she employs is much more powerful than ours, for all her levers move the human heart.

There exists one book, which, to my taste, furnishes the happiest treatise of natural education. What then is this marvelous book? Is it Aristotle? Is it Pliny, is it Buffon? No-it is Robinson Crusoe.

Take the course opposite to custom and you will almost always do well.

He who pretends to look upon death without fear, lies

Force does not constitute right...obedience is due only to legitimate powers.