We feel that even if all possible scientific questions be answered, the problems of life have still not been touched at all.

'Imagine a person whose memory could not retain what the word 'pain' meant-so that he constantly called different things by that name-but nevertheless used the word in a way fitting in with the usual symptoms and presuppositions of pain'-in short he uses it as we all do. Here I should like to say: a wheel that can be turned though nothing else moves with it, is not part of the mechanism.

Where two principles really do meet which cannot be reconciled with one another, then each man declares the other a fool and a heretic

Not every religion has to have St. Augustine's attitude to sex. Why even in our culture marriages are celebrated in a church, everyone present knows what is going to happen that night, but that doesn't prevent it being a religious ceremony.

This procedure [selecting the simplest law], however, has no logical justification but only a psychological one.

Like everything metaphysical the harmony between thought and reality is to be found in the grammar of the language.

If life becomes hard to bear we think of a change in our circumstances. But the most important and effective change, a change in our own attitude, hardly even occurs to us, and the resolution to take such a step is very difficult for us.