History is nothing but a pack of tricks that we play upon the dead.
Let us leave every man at liberty to seek into him and to lose himself in his ideas.
It must be confessed that the inventors of the mechanical arts have been much more useful to men than the inventors of syllogisms.
Dogs, monkeys, and parrots are a thousand times less miserable than we are.
Of all religions, the Christian should of course inspire the most tolerance, but until now Christians have been the most intolerant of all men.
If there were no God, it would have been necessary to invent him.