In light of 50 years of bondage of Eastern Europe, [invading the Soviet Union in 1948 to prevent it from acquiring nuclear weapons] was probably a reasonable thing to do.

Ultimately, we didn't go to Germany to create a democracy. We went to overthrow Adolf Hitler. But once a democracy was there, Germany was a much bigger supporter of and help to our national interests, both economic and security than had ever been before.

It is possible to work across the aisle in Washington, but it's hard. And I think it's been made worse by the kind of 24-hour news cycle, the fact that everything is on TV before you can work things out quietly. I think it's the intensity of information that makes it feel more difficult to get things done. But I didn't leave with a bitter taste about the politics. The one thing that I would say is, I do think there is an unfortunate tendency to turn political differences, or policy differences, into critiques of one another's character or motives, and that's unfortunate.

If the strong exploit the weak, democracy will not be stable.

Life is full of surprises and and serendipity. Being open to unexpected turns in the road is an important part of success. If you try to plan every step, you may miss those wonderful twists and turns. Just find your next adventure-do it well, enjoy it-and then, not now, think about what comes next.

As secretary of state it's been an enormous honor to represent this great country that I love so much - I have really seen that our great strengths are in the ability of people to reach their potential here.

Most of the people who were responsible for 9/11 are now in custody or have been killed. But there are others, and they plot and they plan, and they hope to pull it off again. And while we have to be right 100 percent of the time, they only have to be right once. So there's no way to overreact to that.