The way to do well is to do well.

Work continuously to trim the White House staff from your first day to your last. All the pressures are to the contrary.

There are things that we know, and there are things that we don't know. Then there are the things that we don't even know that we don't know. Those are the things that are the hardest.

Never assume the other fellow will not do something you wouldn't do.

I can't tell you if the use of force in Iraq today will last five days, five weeks or five months, but it won't last any longer than that.

After the German abstention at the UN, Foreign Minister Guido Westerwelle commented that Germany doesn't always have to stand on the side of its traditional allies. Berlin can look for new partners all over the world.

There's another way to phrase that and that is that the absence of evidence is not the evidence of absence. It is basically saying the same thing in a different way. Simply because you do not have evidence that something does exist does not mean that you have evidence that it doesn't exist.