"The future of man is a great wager."

"The desire for peace, the most common desire of all, is a sign of weakness in a society."

"The perfect woman is a higher type of humanity than the perfect man, and also something much rarer."

"Man's maturity: to have reacquired the seriousness that one had as a child at play."

"I fear that old women will always be more skeptical than old men."