Action should be founded on contemplation, and those of us who act don't put enough time, don't give enough emphasis, to contemplation.

Kennedy was trying to keep us out of war. I was trying to help him keep us out of war. And General Curtis LeMay, whom I served under as a matter of fact in World War II, was saying "Let's go in, let's totally destroy Cuba."

Short of nuclear war itself, population growth is the gravest issue the world faces. If we do not act, the problem will be solved by famine, riots, insurrection and war.

I formed the hypothesis that each of us could have achieved our objectives without the terrible loss of life. And I wanted to test that by going to Vietnam.

I think the human race needs to think about killing. How much evil must we do to do good?

Brains are like hearts - they go where they are appreciated.

If we'd lost the war, we'd all have been prosecuted as war criminals. And I think he's right. He, and I'd say I, were behaving as war criminals.