Compassion is the fellow-feeling of the unsound.

Literature is like any other trade; you will never sell anything unless you go to the right shop.

You do not settle whether an argument is justified by merely showing that it is of some use. The distinction is not between useful and useless experiments but between barbarous and civilized behaviour. Vivisection is a social evil because if it advances human knowledge, it does so at the expense of human character.

You are my inspiration and my folly. You are my light across the sea, my million nameless joys, and my day's wage. You are my divinity, my madness, my selfishness, my transfiguration and purification. You are my rapscallionly fellow vagabond, my tempter and star. I want you.

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.

Man can climb to the highest summits, but he cannot dwell there long.

For nearly twenty years I have been a published author... But I have never yet seen a book of mine offered for sale in a shop window.