“I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones.”

“I do not believe that civilization will be wiped out in a war fought with the atomic bomb. Perhaps two-thirds of the people of the Earth might be killed, but enough men capable of thinking, and enough books, would be left to start again, and civilization could be restored.”

“So long as there are men, there will be wars.”

“You cannot simultaneously prevent and prepare for war.”

“As long as there are sovereign nations possessing great power, war is inevitable.”

“Older men start wars, but younger men fight them. ”

“It is my conviction that killing under the cloak of war is nothing but an act of murder.”