Though all society is founded on intolerance, all improvement is founded on tolerance.

You don't expect me to know what to say about a play when I don't know who the author is, do you? . . . If it's by a good author, it's a good play, naturally. That stands to reason.

Vivisection is a social evil because if it advances human knowledge, it does so at the expense of human character.

Those who can’t change their minds can’t change anything.

There is nothing so bad or so good that you will not find Englishmen doing it; but you will never find an Englishman in the wrong. He does everything on principle.

I do not, like the Fundamentalists, believe that creation stopped six thousand years ago after a week of hard work. Creation is going on all the time.

Home life is no more natural to us than a cage is natural to a cockatoo.