Learn to say 'I don't know.' If used when appropriate, it will be often.

Strive to make proposed solutions as self-executing as possible. As the degree of discretion increases, so too does bureaucracy, delay, and expense.

You're thinking of Europe as Germany and France. I don't. I think that's old Europe.

What will follow will not be a repeat of any other conflict. It will be of a force and scope and scale that has been beyond what has been seen before.

A few. . . critics are the only people I ever heard use the phrase 'imminent threat.' I didn't, the president didn't.

It is unknowable how long that conflict [the war in Iraq] will last. It could last six days, six weeks. I doubt six months.

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.