All novels . . . are concerned with the enigma of the self. As soon as you create an imaginary being, a character, you are automatically confronted by the question: what is the self? How can it be grasped?

Unlike the puerile loyalty to a conviction, loyalty to a friend is a virtue - perhaps the only virtue, the last remaining one.

A man is responsible for his ignorance.

Believe me, nothing is more beautiful than to carry out crazy ideas. I'd like my whole life to be one single crazy idea.

Einmal ist keinmal, says Tomas to himself. What happens but once, says the German adage, might as well not have happened at all. If we have only one life to live, we might as well not have lived at all.

And therein lies the whole of man's plight. Human time does not turn in a circle; it runs ahead in a straight line. That is why man cannot be happy: happiness is the longing for repetition.

The idea of eternal return is a mysterious one, and Nietzsche has often perplexed other philosophers with it: to think that everything recurs as we once experienced it, and that the recurrence itself recurs ad infinitum! What does this mad myth signify?