The history of ideas is the history of the grudges of solitary men.

Let us not be needlessly bitter: certain failures are sometimes fruitful.

I lost my sleep, and this is the greatest tragedy that can befall someone. It is much worse than sitting in prison.

Much more than our other needs and endeavors, it is sexuality that puts us on an even footing with our kind: the more we practice it, the more we become like everyone else: it is in the performance of a reputedly bestial function that we prove our status as citizens: nothing is more public than the sexual act.

To accomplish nothing and die of the strain

It is enough for me to hear someone talk sincerely about ideals, about the future, about philosophy, to hear him say “we" with a certain inflection of assurance, to hear him invoke "others" and regard himself as their interpreter - for me to consider him my enemy.

Tolerance cannot seduce the young.