“One of the greatest tragedies in mankind's entire history may be that morality was hijacked by religion.”

“One of the great tragedies of mankind is that morality has been hijacked by religion. So now people assume that religion and morality have a necessary connection. But the basis of morality is really very simple and doesn't require religion at all.”

“History is more of a tragedy than it is a morality tale.”

“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.”

“Sleep was the greatest invention in the history of mankind. When I was sleeping, I wasn’t feeling guilty, or miserable, or sad.”

“Aristotle may be regarded as the cultural barometer of Western history. Whenever his influence dominated the scene, it paved the way for one of history's brilliant eras; whenever it fell, so did mankind.”