And always we had wars, and more wars, and still other wars - all over Europe, all over the world. "Sometimes in the private interest of royal families," Satan said, "sometimes to crush a weak nation; but never a war started by the aggressor for any clean purpose - there is no such war in the history of the race."

Stormfield Edition of the Writings of Mark Twain [pseud.].: The mysterious stranger (ed. 1929)