Life really is a series of contrasts.

If you say, "Are you going to change your strategic objective?", it means you're leaving before the mission is complete, and we're not going to leave before the mission in Iraq is complete.

I'm not so sure the role of the United States is going around the world saying this is the way its gotta be.

Mankind is drawn to the heavens for the same reason we were once drawn into unknown lands and across the open sea. We choose to explore space because doing so improves our lives, and lifts our national spirit. So let us continue the journey.

When our children and grandchildren look back on this period, one question will overwhelm all the rest: Did we do everything in our power to fight and to win the war on terror? That's the fundamental question this generation faces.

One of the worst days in America's history saw some of the bravest acts in Americans' history. We'll always honor the heroes of 9/11. And here at this hallowed place, we pledge that we will never forget their sacrifice.

Ultimately, success is going to be up to the reformers, just like in Iraq. It's going to require Iraqis, the will of Iraqis to succeed. I understand that. And that's why our strategy is to give them the tools necessary to defend themselves and help them defend themselves; in this case right now mainly in Baghdad, but as well around the country.