We do know of certain knowledge that he [Osama Bin Laden] is either in Afghanistan, or in some other country, or dead.

The success of an organization will depend on the people you surround yourself with.

I think all of us have a sense if we imagine the kind of world we would face if the people who bombed the mess hall in Mosul, or the people who did the bombing in Spain, or the people who attacked the United States in New York, shot down the plane over Pennsylvania and attacked the Pentagon, the people who cut off peoples' heads on television to intimidate, to frighten indeed the word 'terrorized' is just that. Its purpose is to terrorize, to alter behavior, to make people be something other than that which they want to be.

If you can't solve a problem, make it bigger.

Be precise. A lack of precision is dangerous when the margin of error is small.

We'll have to deal with the networks. One of the ways to do that is to drain the swamp they live in. And that means dealing not only with the terrorists, but those who harbor terrorists. This will take a long, sustained effort. It will require the support of the American people as well as our friends and allies around the world.

It is hard to put a price on some things. What is the value of having prevented nuclear weapons from getting into the hands of a dictator like Saddam Hussein - or of Gadhafi?