“Given the level of anti-Americanism in the world, given the level of frustration with the United States throughout the Muslim world, you've got a homegrown attack or you have a nuclear explosion in the air that is not a test somewhere. Those are still the biggest threats out there.”

“Some men are born old, and some men never seem so. If we keep well and cheerful, we are always young and at last die in youth even when in years would count as old.”