jewels have played a colorful part in the evolution of world affairs. Because precious stones tend to inspire both admiration and greed, leaders have found convenient excuses for seeking them and have used them to impress crowds, reward friends, deprive foes, forge alliances, and justify war. Jewels may find their highest expression in the decorative arts, but they have also earned a place in the art of the possible.

I teach at Georgetown, and I see that the students have so many different interests. The main thing is to match your passion with your knowledge, because you can't just be passionate without knowing the facts, and facts are really boring without passion.

Whatever the job you are asked to do at whatever level, do a good job because your reputation is your resume.

We have a responsibility in our time, as others have had in theirs, not to be prisoners of history but to shape history, a responsibility to fill the role of path-finder, and to build with others a global network of purpose and law.

If you look at my life, generally, I've been put in situations which were difficult and which I conquered.

Life is grim, and we don't have to be grim all the time.

Democracy cannot be built on revenge and you will not have the support of the world if you are intolerant and take the law into your own hands.