Better is the enemy of good.

I never approved either the errors of his book, or the trivial truths he so vigorously laid down. I have, however, stoutly taken his side when absurd men have condemned him for these same truths.

Of all religions, the Christian should of course inspire the most tolerance, but until now Christians have been the most intolerant of all men.

All is but illusion and disaster.

The Bible. That is what fools have written, what imbeciles commend, what rogues teach and young children are made to learn by heart.

Superstition sets the whole world in flames, but philosophy douses them.

Persistence with patience and prayer pays with profits, prosperity and peace of mind.