The absence of evidence is not necessarily the evidence of absence

The country cannot afford amateur hour in the White House.

Keep your sense of humor. As General Joe Stillwell said, 'The higher a monkey climbs, the more you see of his behind'.

Your performance depends on your people. Select the best, train them and back them. When errors occur, give sharper guidance. If errors persist or if the fit feels wrong, help them move on. The country cannot afford amateur hour in the White House.

There are known knowns; there are things we know we know. We also know there are known unknowns; that is to say we know there are some things we do not know. But there are also unknown unknowns - the ones we don't know we don't know.

There are a lot of things that are said by people in the military, or civilian life, or in the Congress, or in the Executive Branch, that are their views. And that's the way we live. We're a free people. And that's the wonderful thing about our country.

When there happens to be a weapon of mass destruction suspect site in an area that we occupy and if people have time, they'll look at it.