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.

As countries grapple with modernization, people who are left behind tend to hold firmer and firmer to their view of the evil of modernity.

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

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.

Know something about something. Don’t just present your wonderful self to the world. Constantly amass knowledge and offer it around.

I think history is continuous. It doesn't begin or end on Pearl Harbor Day or the day Lyndon Johnson withdraws from the presidency or on 9/11. You have to learn from the past but not be imprisoned by it. You need to take counsel of history but never be imprisoned by it.

There is a split between Muslims who want to practice their faith in peace and tolerance with other religions and other people, and these extreme, radical fundamentalists who have shown a total lack of tolerance for people with different views, starting with people who they don't think are good Muslims, and going on to include Christians and Jews.