When the last Puritan has disappeared from the earth, the man of science will take his place as a killjoy, and we shall be given the same old advice but for different reasons.

Knowledge is power only if man knows what facts not to bother with.

Friendship is not going to stand the pressure of greatly great guidance for quite extensive.

[History is] the story of the magnificent rear-guard action fought during several thousand years by dogma against curiosity.

I sometimes suspect that half our difficulties are imaginary and that if we kept quiet about them they would disappear.

Cut quarrels out of literature, and you will have very little history or drama or fiction or epic poetry left.

There are some people who want to throw their arms round you simply because it is Christmas; there are other people who want to strangle you simply because it is Christmas.