Man is nothing else but what he makes of himself. [It is a matter of choice, not chance.] Such is the first principle of existentialism.

From the period when I wrote La Nausea I wanted to create a morality. My evolution consists in my no longer dreaming of doing so.

Handing over a bank note is enough to make a bicycle belong to me, but my entire life is needed to realize this possession.

Uncalled-for aggression arouses the hatred of the civilian population.

I do not understand! I understand nothing! I cannot understand nor do I want to understand! I want to believe! To Believe!

I am not recommending "popular" literature which aims at the lowest.

The past is the luxury of proprietors.