“It is startling to realize how much unbelief is necessary to make belief possible.”

“Hatred is the most accessible and comprehensive of all the unifying agents. Mass movements can rise and spread without belief in a god, but never without a belief in a devil.”

“Where there is the necessary technical skill to move mountains, there is no need for the faith that moves mountains.”

“How frighteningly few are the persons whose death would spoil our appetite and make the world seem empty.”

“To be fully alive is to feel that everything is possible.”

“To the child, the savage, and the Wall Street operator everything seems possible, hence their credulity.”

“If the Communists win Europe and a large part of the world, it will not be because they know how to stir up discontent or how to infect people with hatred, but because they know how to preach hope.”