The Constitution is a radical document... it is the job of the government to rein in people's rights.

We live in an interdependent world. Every time you cut off somebody else's opportunities, you shrink your own horizons.

If you live long enough, you'll make mistakes. But if you learn from them, you'll be a better person. It's how you handle adversity, not how it affects you. The main thing is never quit, never quit, never quit.

Two-thirds of the Iranian people would like to be reconciled with the West. They don't like the fanaticism of the governing religious council. It's the only place in the world where the last six elections have been won by the more progressive candidate, two for president, two for the mayors, two for the parliament. So most people there are sympathetic to the world we Americans want to build, whether we're Republicans or Democrats. On the other hand, almost everybody there wants them to have nuclear power. They see it as a status symbol, and a sense of their own security.

Hope I lived up to my reputation for being slick.

President Obama's record on national security is a tribute to his strength, and judgment, and to his preference for inclusion and partnership over partisanship.

People like change in general, but not in particular.