The Dell Theory of Conflict Prevention argues that no two countries that are both part of the same global supply chain will ever fight a war as long as they are each part of that supply chain.

Criticizing Israel is not anti-Semitic, and saying so is vile. But singling out Israel for opprobrium and international sanction - out of all proportion to any other party in the Middle East - is anti-Semitic, and not saying so is dishonest.

I am being very humble about the Arab Spring. There's kind of a competition out there, you might have noticed, of who can be the first to say the Arab Spring is going to fail. Everyone says, "I told you so, I told you so about the Muslim Brotherhood." I have no desire to tell anyone anything. I don't know. I'm just listening, watching. It may turn out all these people are right, they may be wrong. They may be right this year and wrong next year, by the way. I'm just trying to listen day to day, figure it out.

I am hoping, though, that many of them have kids, who, when they have a moment to take a break from their iPods, Internet, or Google, will explain to their parents running the country just how the world is being flattened.

If e-mail had been around before the telephone was invented, people would have said, 'Hey, forget e-mail! With this new telephone invention I can actually talk to people!'.

When you can't rely on sticking a pipe in the ground, what you have to rely on is unlocking the energy and talent of all your people - men and women.

Pessimists are usually right and optimists are usually wrong but all the great changes have been accomplished by optimists.