If anyone is crazy enough to want to kill a president of the United States, he can do it. All he must be prepared to do is give his life for the president's.

The United States has to move very fast to even stand still.

I'm the president of the United States. I'm not the emperor of the United States.

No one can truly be prepared for such devastation and pure malevolence, but the United Kingdom can always look to the United States as an ally resolved to stand firm in the war on terrorism.

If I missed my moment, I missed my moment. I mean, I wasn't pining to be president of the United States.

It is time, as a matter of pride, as well as a matter of national security, for the United States of America to lead the world in the energy revolution, and not lag behind Japan or Germany