"Nothing can penetrate the loneliness of the human heart except the highest intensity of the sort of love the religious teachers have preached."

"In all affairs, it's a healthy thing now and then to hang a question mark on the things you have long taken for granted."

"The most savage controversies are those about matters as to which there is no good evidence either way."

"We owe to Christianity a certain respect for the individual...."

"I hate the world and almost all the people in it."