All great ideas should be followed by an exclamation mark - a warning signal similar to the skull and crossbones drawn on high-voltage transformers.

The importance of insomnia is so colossal that I am tempted to define man as the animal who cannot sleep. Why call him a rational animal when other animals are equally reasonable? But there is not another animal in the entire creation that wants to sleep yet cannot.

An individual dies ... when, instead of taking risks and hurling himself toward being, he cowers within, and takes refuge there.

Humanity adores only those who cause it to perish.

Losing love is so rich a philosophical ordeal that it makes a hairdresser into a rival of Socrates.

Every form of talent involves a certain shameless-ness.

A civilization begins to decline the moment Life becomes its sole obsession.