“The world is my idea.”

Religion is the masterpiece of the art of animal training, for it trains people as to how they shall think.

Marrying means to halve one’s rights and double one’s duties.

If we were not all so interested in ourselves, life would be so uninteresting that none of us would be able to endure it.

Life is a constant process of dying.

I have not yet spoken my last word about women. I believe that if a woman succeeds in withdrawing from the mass, or rather raising herself from above the mass, she grows ceaselessly and more than a man.

If I maintain my silence about my secret it is my prisoner, if I let it slip from my tongue, I am Its prisoner.

Faith is like love: it does not let itself be forced.

Life is short and truth works far and lives long: let us speak the truth.

A high degree of intellect tends to make a man unsocial.

Universal compassion is the only guarantee of morality.

Happiness consists of the frequent repetition of pleasure.

Life swings like a pendulum backward and forward between pain and boredom.

He who writes carelessly confesses thereby at the very outset that he does not attach much importance to his own thoughts.

Ordinary people merely think how they shall spend their time; a man of talent tries to use it.

Truth is most beautiful undraped.

The more unintelligent a man is, the less mysterious existence seems to him.