Who said “I disapprove of what you say, but I will defend to the death your right to say it.”?

“Free speech is the whole thing, the whole ball game. Free speech is life itself.”

“If we don't believe in free expression for people we despise, we don't believe in it at all.”

“The sound of tireless voices is the price we pay for the right to hear the music of our own opinions.”

“How absurd men are! They never use the liberties they have, they demand those they do not have. They have freedom of thought, they demand freedom of speech.”

“A people which is able to say everything becomes able to do everything.”

“If there were only one religion in England there would be danger of despotism, if there were two, they would cut each other's throats, but there are thirty, and they live in peace and happiness.”

“My life is a battle.”

“Men argue, nature acts.”

“Common sense is not so common.”

“A witty saying proves nothing.”

“The best is the enemy of the good.”