I read only to please myself, and enjoy only what suits my taste.

Doubt is uncomfortable, certainty is ridiculous.

Men will commit atrocities as long as they believe absurdities.

We all look for happiness, but without knowing where to find it: like drunkards who look for their house, knowing dimly that they have one.

One always begins with the simple, then comes the complex, and by superior enlightenment one often reverts in the end to the simple. Such is the course of human intelligence.

A circumstance which has always appeared wonderful to me, is that such sublime discoveries should have been made by the sole assistance of a quadrant and a little arithmetic.

Self love is the instrument of our preservation.