In a diplomatic negotiation, you always meet the same the other side all the time. Even if you should succeed in outsmarting him or in pressuring him, it only sets up a cycle in which he will try to get even.

From a geo-strategic point of view, I consider Iran a bigger problem than the Islamic State. ISIS is a group of adventurers with a very aggressive ideology. But they have to conquer more and more territory before they can became a geo-strategic, permanent reality. I think a conflict with ISIS - important as it is - is more manageable than a confrontation with Iran.

My country's history, Mr. President, tells us that it is possible to fashion unity while cherishing diversity, that common action is possible despite the variety of races, interests, and beliefs we see here in this chamber. Progress and peace and justice are attainable. So we say to all peoples and governments: Let us fashion together a new world order.

The longer I am out of office, the more infallible I appear to myself.

I see the future of China as growth. I think that historically China has often gone through periods of consolidation, and then periods of sort of weakening central authority. They undoubtedly face tremendous challenges.

Statesman create; ordinary leaders consume. The ordinary leader is satisfied with ameliorating the environment, not transforming it; a statesman must be a visionary and an educator.

I believe that there is a whole set of issues in the world - environment, proliferation, energy, cyberspace - that can only be dealt with on a global basis. The traditional patterns of national rivalry and national competition are not suitable for those cases.