The perfect is the enemy of the good.

The safest course is to do nothing against one's conscience. With this secret, we can enjoy life and have no fear from death.

If mankind were born tomorrow it would divide into groups; each would scramble to invent their one and only god, and set about butchering each-other.

We should be considerate to the living; to the dead we owe only the truth.

The man who says to me, "Believe as I do, or God will damn you," will presently say, "Believe as I do, or I shall assassinate you."

Love has features which pierce all hearts, he wears a bandage which conceals the faults of those beloved. He has wings, he comes quickly and flies away the same.

There's scarce a point whereon mankind agree - So well as in their boast of killing me; I boast of nothing, but when I've a mind - I think I can be even with mankind