You do not settle whether an argument is justified by merely showing that it is of some use. The distinction is not between useful and useless experiments but between barbarous and civilized behaviour. Vivisection is a social evil because if it advances human knowledge, it does so at the expense of human character.

The early Christian rules of life were not made to last, because the early Christians did not believe that the world itself was going to last.

Both optimists and pessimists contribute to society. The optimist invents the aeroplane, the pessimist the parachute.

I must ... warn my readers that my attacks are directed against themselves, not against my stage figures.

Obedience simulates subordination as fear of the police simulates honesty.

The law is equal before all of us; but we are not all equal before the law. Virtually there is one law for the rich and another for the poor, one law for the cunning and another for the simple, one law for the forceful and another for the feeble, one law for the ignorant and another for the learned, one law for the brave and another for the timid, and within family limits one law for the parent and no law at all for the child.

We are members one of another; so that you cannot injure or help your neighbor without injuring or helping yourself.