God is a circle whose center is everywhere and circumference nowhere.

Paper money eventually returns to its intrinsic value - zero.

All is but illusion and disaster.

Which is more dangerous: fanaticism or atheism? Fanaticism is certainly a thousand times more deadly; for atheism inspires no bloody passion whereas fanaticism does; atheism is opposed to crime and fanaticism causes crimes to be committed.

There is an astonishing imagination, even in the science of mathematics. ... We repeat, there was far more imagination in the head of Archimedes than in that of Homer.

It is the characteristic of the most stringent censorships that they give credibility to the opinions they attack.

The infinitely little have a pride infinitely great.