But I want to just caution, it is not incumbent on the United States to prove that Saddam Hussein is trying to acquire weapons of mass destruction. He's already demonstrated that he's trying to acquire weapons of mass destruction.

We can't rely - or no country can rely on just a single personality to carry it forward. And so what the American founding fathers understood was that institutions were built for human imperfection not human perfection.

There clearly are contacts between al Qaeda and Iraq that can be documented; there clearly is testimony that some of the contacts have been important contacts and that there's a relationship here

There is nothing better than being in a classroom with really, really brilliant students, and opening up new worlds to them. That's what I love doing.

We're in a new world. We're in a world in which the possibility of terrorism, married up with technology, could make us very, very sorry that we didn't act.

I really wish that we had passed a comprehensive immigration bill because that would've really helped our country.

I will never forget the bright September day, standing at my desk in the White House, when my young assistant said that a plane had hit the World Trade Center - and then a second one - and a third, the Pentagon.