"So, we need to delegitimize the nuclear weapon, and by de-legitimizing... meaning trying to develop a different system of security that does not depend on nuclear deterrence"

"Unless we have a well-educated people, we're vulnerable on our national security"

"The most valuable possession you can own is an open heart. The most powerful weapon you can be is an instrument of peace"

"The best weapon against an enemy is another enemy"

"Distrust and caution are the parents of security"

"The human race has one really effective weapon, and that is laughter"

"Non-violence is the greatest force at the disposal of mankind. It is mightier than the mightiest weapon of destruction devised by the ingenuity of man"

"Machines were, it may be said, the weapon employed by the capitalists to quell the revolt of specialized labor"

"Education is the most powerful weapon which you can use to change the world"

"In the long course of history, having people who understand your thought is much greater security than another submarine"

"We cannot continue to rely only on our military in order to achieve the national security objectives that we've set. We've got to have a civilian national security force that's just as powerful, just as strong, just as well-funded"