Nothing is so common as to imitate one's enemies, and to use their weapons.

Whatever you do, crush the infamous thing, and love those who love you.

Truth is a fruit which should not be plucked until it is ripe.

All men are by nature free; you have therefore an undoubted liberty to depart whenever you please, but will have many and great difficulties to encounter in passing the frontiers.

The atheists are for the most part imprudent and misguided scholars who reason badly who, not being able to understand the Creation, the origin of evil, and other difficulties, have recourse to the hypothesis the eternity of things and of inevitability.

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.

History should be written as philosophy.