If we take science as our sole guide, if we accept and hold fast that alone which is verifiable, the old theology must go.

Nothing relieves and ventilates the mind like a resolution.

The budget for nuclear forces in the United States is on the order of $25 billion or so. That includes warheads, delivery systems, command and control; does not include environmental clean-up, which is another maybe $10 billion or so. So that's about 5% of the U.S. military budget.

The Kingdom of Heaven is not a place, but a state of mind.

The deeper our insight into the methods of nature . . . the more incredible the popular Christianity seems to us.

So the idea about how detonation of a nuclear weapon might happen vary, you know - some people are especially concerned about terrorists getting their hands on nuclear weapons and using them. Some people are worried that there might be a nuclear war between India and Pakistan. Some think the Middle East, were Israel already has nuclear weapons and where other countries may be interested at some point and acquiring them, might be a flash point.

[Nuclear weapons] now I think I mentioned around 27,000 and during the Cold War the total global arsenal was on the order of 70,000.