A new philosophy, a new way of life, is not given for nothing. It has to be paid dearly for and only acquired with much patience and great effort

..., twice two is four is not life, gentlemen, but the beginning of death.

Love is such a priceless treasure that you can buy the whole world with it, and redeem not only your own but other people's sins. Go, and do not be afraid.

A hundred suspicions don't make a proof.

People talk sometimes of a bestial cruelty, but that's a great injustice and insult to the beasts; a beast can never be so cruel as a man, so artistically cruel. The tiger only tears and gnaws, that's all he can do. He would never think of nailing people by the ears, even if he were able to do it.

Nature doesn't ask your permission; it doesn't care about your wishes, or whether you like its laws or not. You're obliged to accept it as it is, and consequently all its results as well.

Just take a look around you: Blood is flowing in rivers and in such a jolly way you’d think it was champagne.