“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.”

“Everything is difficult, and everything worthwhile is difficult. A certain need, a need not unlike Mickey had: to know, to understand, and I had that need to understand and to know.”