The Axiom of Choice is necessary to select a set from an infinite number of socks, but not an infinite number of shoes.

Our great democracies still tend to think that a stupid man is more likely to be honest than a clever man, and our politicians take advantage of this prejudice by pretending to be even more stupid than nature has made them.

Why is propaganda so much more successful when it stirs up hatred than when it tries to stir up friendly feeling?

I suppose the advocates of unreason think that there is a better chance of profitably deceiving the populace if they keep it in a state of effervescence.

Those who have never known the deep intimacy and the intense companionship of happy mutual love have missed the best thing that life has to give.

Only mathematics and mathematical logic can say as little as the physicist means to say.

Conventional people are roused to fury by departure from convention, largely because they regard such departure as a criticism of themselves.