Our paradigm now seems to be: Something terrible happened to us on September 11, and that gives us the right to interpret all future events in a way that everyone else in the world must agree with us. And if they don't, they can go straight to hell.

The fundamental problem you have anywhere is when people think their lives and the lives of their children don't matter, they they are somehow disposable, just like a paper napkin after a lunch at a restaurant or something, if we want our freedom to be in deed as well as word in America, we have to make people feel that everybody matters again.

In science, if the last 50 years were the age of physics, the next 50 years will be the age of biology.

[Alternative energy] will make us less dependent on foreign oil. It would make us more secure in our future. It would mean that our foreign policy could be a reflection of our values and our other interests, and not just that.

Citizen service is the very American idea that we meet our challenges not as isolated individuals but as members of a true community, with all of us working together. Our mission is nothing less than to spark a renewed sense of obligation, a new sense of duty, a new season of service.

If we were being attached by space aliens, we wouldn't be playing these kinds of games.

The economy has produced 6.1 million jobs since I became president, and if Michael Jordan comes back to the Bulls, it will be 6,100,001 jobs.