“Yes, reason has been a part of organized religion, ever since two nudists took dietary advice from a talking snake.”

“Ever since history has been written, ever since philosophy has meditated, misery has been the garment of the human race.”

“I say quite deliberately that the Christian religion, as organized in its churches, has been and still is the principal enemy of moral progress in the world. ”

“Nature gave men two ends - one to sit on and one to think with. Ever since then man's success or failure has been dependent on the one he used most. ”

“Nature gave man two ends -- one to sit on, and one to think with. Ever since then, man's success or failure has been dependent on the one he used most.”

“The history of mankind will probably show that no people has ever risen above its religion, and man’s spiritual history will positively demonstrate that no religion has ever been greater than its idea of God.”