The best proof of the specificity of the book is that it is at once a reality of the virtual and a virtuality of the real.

Ideas are invented only as correctives to the past. Through repeated rectification of this kind one may hope to disengage an idea that is valid.

Irony gives us, at little expense, the impression that we are experienced psychologists.

The repose of sleep refreshes only the body. It rarely sets the soul at rest.

One must always maintain one's connection to the past and yet ceaselessly pull away from it.

I am alone so I dream of the being who has cured my solitude, who would be cured by solitudes. With its life, it brought me the idealizations of life, all the idealizations which give life a double, which lead life toward it summits, which make the dreamer too live by splitting.

It is a poor reverie which invites a nap. One must even wonder whether, in this "failing asleep", the subconscious itself does not undergo a decline in being.