High office teaches decision making, not substance. It consumes intellectual capital; it does not create it. Most high officials leave office with the perceptions and insights with which they entered; they learn how to make decisions but not what decisions to make.

If the six-nation forums dealing with Iran and North Korea suffer comparable failures, the consequence will be a world of unchecked proliferation, not controlled by either governing principles or functioning institutions. A modern, strong, peaceful Iran could become a pillar of stability and progress in the region. This cannot happen unless Iran's leaders decide whether they are representing a cause or a nation - whether their basic motivation is crusading or international cooperation. The goal of the diplomacy of the Six should be to oblige Iran to confront this choice.

He [Deng Xiaoping] said that he did not understand why we failed to grasp that the alternative was not democracy, but total chaos and risking all the reforms that had been achieved.

To revolutionaries the significant reality is the world which they are fighting to bring about, not the world they are fighting to overcome.

When I first saw China, there were no automobiles. There were no supermarkets. There were no high-rise buildings. There were no consumer goods. There were no restaurants that were at least accessible that foreigners could see. It was a Stalinist society, and a very poor Stalinist society. So the economic system has totally changed, and the private sector in the economic system is now the dominant sector. It didn't exist at all as late as 1979.

90% of politicians give the other 10% a bad name.

I want to thank you for stopping the applause. It is impossible for me to look humble for any period of time.