A man of business will often deceive you without the slightest scruple, but he will absolutely refuse to commit a theft.

The Universe is a dream dreamed by a single dreamer where all the dream characters dream too.

Marrying means doing whatever possible to become repulsed of each other

It is only when a man is alone that he is really free.

If life — the craving for which is the very essence of our being — were possessed of any positive intrinsic value, there would be no such thing as boredom at all: mere existence would satisfy us in itself, and we should want for nothing.

As the strata of the earth preserve in succession the living creatures of past epochs, so the shelves of libraries preserve in succession the errors of the past and their expositions, which like the former were very lively and made a great commotion in their own age but now stand petrified and stiff in a place where only the literary palaeontologist regards them.

Thus also every keen pleasure is an error and an illusion, for no attained wish can give lasting satisfaction.