Morality is the theory that every human act must be either right or wrong, and that 99 % of them are wrong.
Source: A Mencken Chrestomathy, Sententiae: The Mind of Men, 1949.
-- H L Mencken, (Sep 12 1880-1956), US editor, satirist; He is known for his biting satire, insults, and debunking in The American Mercury, 1924-33.