Man is the only animal who is prone to insanity.

It struck me that the popularity of Christmas is a matter of web-like consciousness. Childhood conditions us to relax and expand at Christmas, to forget petty worries and irritations and think in terms of universal peace. And so Christmas is the nearest to mystical experience that most human beings ever approach, with its memories of Dickens and Irving's Bracebridge Hall.

Now the basic impulse behind existentialism is optimistic, very much like the impulse behind all science. Existentialism is romanticism, and romanticism is the feeling that man is not the mere he has always taken himself for. Romanticism began as a tremendous surge of optimism about the stature of man. Its aim - like that of science - was to raise man above the muddled feelings and impulses of his everyday humanity, and to make him a god-like observer of human existence.

But Zarathustra made it clear in which direction the answer lay; it is towards the artist-psychologist, the intuitional thinker. There are very few such men in the world's literature; the great artists are not thinkers, the great thinkers are seldom artists.

I was aggressively nonpolitical. I believed that people who make a fuss about politics do so because their heads are too empty to think about more important things. So I felt nothing but impatient contempt for Osborne's Jimmy Porter and the rest of the heroes of social protest.

If you asked me what is the basis of all my work, it's the feeling there's something basically wrong with human beings.

The exploration of oneself is usually also an exploration of the world at large, of other writers, a process of comparison with oneself with others, discoveries of kinships, gradual illumination of one's own potentialities.