Animals have these advantages over man: they never hear the clock strike, they die without any idea of death, they have no theologians to instruct them, their last moments are not disturbed by unwelcome and unpleasant ceremonies, their funerals cost them nothing, and no one starts lawsuits over their wills.

Judge a man by his questions rather than his answers.

If God did not exist, He would have to be invented. But all nature cries aloud that he does exist: that there is a supreme intelligence, an immense power, an admirable order, and everything teaches us our own dependence on it.

All is but illusion and disaster.

It is not love that should be depicted as blind, but self-love.

History is the recital of facts represented as true. Fable, on the other hand, is the recital of facts represented as fiction.

He who has heard the same thing told by 12,000 eye-witnesses has only 12,000 probabilities, which are equal to one strong probability, which is far from certain.