World War I was not inevitable, as many historians say. It could have been avoided, and it was a diplomatically botched negotiation.

I still believe in the possibility of the United States, with all its will and all its strength, and I don't just mean military, persevering against any challenge. I still believe in that.

A peace deal requires agreements, and you don't make agreements with your friends, you make agreements with your enemies.

Bureaucracies have a natural tendency not to cooperate, coordinate or consolidate with each other. They won't cooperate with each other - unless they are forced to do so by political level authority.

A world without the United Nations or with a paralyzed United Nations would be far more costly to all of us and far more dangerous to peace and stability.

United Nations peacekeepers are going all over the world spreading AIDS even while they're trying to bring peace. What a supreme irony.

Our enemy is Al Qaeda and its allies, people who have publicly said they wish to attack the United States again, people who have publicly called on nuclear physicists and engineers to help them gain access to nuclear weapons, which, as the whole world knows, Pakistan has.