With a new national commitment, our scientists and engineers will overcome obstacles to taking these [hydrogen fuel cell] cars from laboratory to showroom, so that the first car driven by a child born today could be powered by hydrogen, and pollution-free.

There's no bigger task than protecting the homeland of our country.

If you read with empathy what Lincoln went through, then you realize what you're going through is nothing compared to what he went through.

I take pride in being the same person.

Immigrants bring to America the values of faith in God, love of family, hard work and self reliance - the values that made us a great nation to begin with. We've all seen those values in action, through the service and sacrifice of more than 35,000 foreign-born men and women currently on active duty in the United States military.

Sometimes I'm frustrated. Rarely surprised. Sometimes I'm happy, you know. But war is not a time of joy.

And, again, I don't know where he [Osama Bin Laden] is. I — I'll repeat what I said. I truly am not that concerned about him.