"Racism, pollution and the rest of it are themselves very close to extinction."

"I am the only guinea pig I have."

"I think I am a verb."

"Nature is trying very hard to make us succeed, but nature does not depend on us. We are not the only experiment."

"Either war is obsolete or men are."

"Humanity is acquiring all the right technology for all the wrong reasons."

"He who fears being conquered is sure of defeat."

"The secret of concentration is the secret of self-discovery. You reach inside yourself to discover your personal resources, and what it takes to match them to the challenge."

"Be not astonished at new ideas; for it is well known to you that a thing does not therefore cease to be true because it is not accepted by many."

"He looks as though he's been weaned on a pickle."

"The road to truth is long, and lined the entire way with annoying bastards"

"My life is the story of a man who always wants to carry too much. My spiritual quest is the painful process of learning to let go of things not essential."