Clearly security without values is like a ship without a rudder. But values without security are like a rudder without a ship.

We're at a moment when the international system is in a period of change like we haven't seen for several hundred years. In some parts of the world, the nation state, on which the existing international system was based, is either giving up its traditional aspects, like in Europe, or as in the Middle East, where it was never really fully established, it is no longer the defining element. So in those two parts of the world, there is tremendous adjustment in traditional concepts.

If eighty percent of your sales come from twenty percent of all of your items, just carry those twenty percent.

The Chinese military budget today is officially listed as, I think, about $15 billion. But even if you double it, that's only a tenth of ours. So the possibility of China challenging the United States for the next ten years over the Pacific is next to zero. There could be a conflict between us and China over Taiwan, but I think that, too, will not occur with the proper policies on both sides.

Obama is like a chess player who is playing simultaneous chess and has opened his game with an unusual opening.

Some of the critics viewed Vietnam as a morality play in which the wicked must be punished before the final curtain and where any attempt to salvage self-respect from the outcome compounded the wrong. I viewed it as a genuine tragedy. No one had a monopoly on anguish.

I've often said that the desire to lecture China on how it should behave in the world is wrong. China was around for thousands of years even before America existed. It could even be that China's growing power will allow itself to be slowed down. But as long as this immense empire doesn't fall apart, it will become an important factor in global politics.