The only person who acts sensibly is my tailor. He takes my measure anew every time he sees me. Everyone else goes by their old measurements.

The more I see of the moneyed classes, the more I understand the guillotine.

People exaggerate the value of things they haven't got everybody worships truth and unselfishness because they have no experience with them

When you want to put something into your part that is not in the play, you must ask the author-or some other author-to lead up to the interpolation for you. Never forget that the effect of a line may depend not on its delivery, but on something said earlier in the play, either by somebody else or by yourself, and that if you change it, it may be necessary to change the whole first act as well.

It is a curious sensation: the sort of pain that goes mercifully beyond our powers of feeling. When your heart is broken, your boats are burned: nothing matters any more. It is the end of happiness and the beginning of peace.

No doubt it is easy to demostrate that property will destroy society unless society destroys it.

Even if animal experimentation was proved to be of value, it would be morally wrong.