"Did Christ have a diploma in Christianity? Did Marx have a diploma in Marxism? Did Adolf Hitler have a diploma in National Socialism? No, they did not. But they knew one hell of a lot about their field."
January 1, 1970
https://en.wikiquote.org/wiki/Mr._Death%3A_The_Rise_and_Fall_of_Fred_A._Leuchter%2C_Jr.