You can never ask others to do something you would not do. That is integrity.

It was actually fun to write [memoir], because I went back to interview people my parents had taught or who had worked with them, and I learned a lot about them that I hadn't known.

If a North Korean ballistic missile can reach Alaska, it can reach Vladivostok.

If you're always in the company of people who agree with you, you're going to think of people who don't agree with you as venal or stupid. I constantly tell my students that if they're in the company of people who always say "amen" to what you say, find other company. And that is the source of illiberalism, when you are unable to listen to someone who thinks differently. That's when democracies are in trouble.

it is a longstanding principle that sitting national security advisers do not testify before the Congress.

To see an African-American elected president means that this country is really finally coming full circle from the birth defect of slavery.

But I want to just caution, it is not incumbent on the United States to prove that Saddam Hussein is trying to acquire weapons of mass destruction. He's already demonstrated that he's trying to acquire weapons of mass destruction.