...impregnation will be regarded in an entirely different manner, more in the light of a surgical operation, so that it will be thought not ladylike to have it performed in the natural manner.

I am delighted to know that Principia Mathematica can now be done by machinery. . . I am quite willing to believe that anything in deductive logic can be done by machinery.

You are a wicked motorcar, and I shall not give you any more petrol until you go.

The morality of work is the morality of slaves, and the modern world has no need of slavery.

Into every tidy scheme for arranging the pattern of human life, it is necessary to inject a certain dose of anarchism.

On the one hand, philosophy is to keep us thinking about things that we may come to know, and on the other hand to keep us modestly aware of how much that seems like knowledge isn't knowledge

Be isolated, be ignored, be attacked, be in doubt, be frightened, but do not be silenced.