He was no longer quite sure whether anything he had ever thought or felt was truly his own property, or whether his thoughts were merely a common part of the world’s store of ideas which had always existed ready-made and which people only borrowed, like books from a library.

...she merely wished to find a way out of the maze. She knew that she had become a burden to him: she took things too seriously, turning everything into a tragedy, and failed to grasp the lightness and amusing insignificance of physical love. How she wished she could learn lightness! She yearned for someone to help her out of her anachronistic shell.

Modern stupidity means not ignorance but the nonthought of received ideas

Attaching love to sex is one of the most bizarre ideas the Creator ever had.

People are always shouting they want to create a better future. It's not true. The future is an apathetic void of no interest to anyone. The past is full of life, eager to irritate us, provoke and insult us, tempt us to destroy or repaint it. The only reason people want to be masters of the future is to change the past.

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?

Making love with a woman and sleeping with a woman are two separate passions, not merely different but opposite. Love does not make itself felt in the desire for copulation (a desire that extends to an infinite number of women) but in the desire for shared sleep (a desire limited to one woman).