Man is the only animal who causes pain to others with no other object than wanting to do so.

Great minds are related to the brief span of time during which they live as great buildings are to a little square in which they stand: you cannot see them in all their magnitude because you are standing too close to them.

The world is not a factory and animals are not products for our use

Because people have no thoughts to deal in, they deal cards, and try and win one another's money. Idiots!

If God made this world, then i would not want to be the God. It is full of misery and distress that it breaks my heart.

That arithmetic is the basest of all mental activities is proved by the fact that it is the only one that can be accomplished by a machine.

This world could not have been the work of an all-loving being, but that of a devil, who had brought creatures into existence in order to delight in the sight of their sufferings.