Respectability, regularity, and routine - the whole cast-iron discipline of a modern industrial society - have atrophied the artistic impulse, and imprisoned love so that it can no longer be generous and free and creative, but must be either stuffy or furtive.

Science, by itself, cannot supply us with an ethic. It can show us how to achieve a given end, and it may show us that some ends cannot be achieved.

For love of domination we must substitute equality; for love of victory we must substitute justice; for brutality we must substitute intelligence; for competition we must substitute cooperation. We must learn to think of the human race as one family.

There's a Bible on that shelf there. But I keep it next to Voltaire - poison and antidote.

Civilized life, if it is to be stable, must provide a harmless outlets for the impulses which our remote ancestors satisfied in hunting. In Australia, where people are few, and rabbits are many, I watched the whole populace satisfying the primitive impulse in the primitive manner by the skilful slaughter of many thousands of rabbits.

Many orthodox people speak as though it were the business of sceptics to disprove received dogmas rather than of dogmatists to prove them. This is, of course, a mistake.

Machines deprive us of two things which are certainly important ingredients of human happiness, namely, spontaneity and variety.