I said that more people in more places can now compete, connect and collaborate with equal power and equal tools than ever before.

If you are self-motivated, wow, this world is tailored for you. The boundaries are all gone. But if you're not self-motivated, this world will be a challenge because the walls, ceilings and floors that protected people are also disappearing. That is what I mean when I say "it is a 401(k) world." Government will do less for you. Companies will do less for you. Unions can do less for you. There will be fewer limits, but also fewer guarantees. Your specific contribution will define your specific benefits much more. Just showing up will not cut it.

I think that competition will exist even if we discover more oil. We're never going to know how much we have, or how long will it last. You are always going to want to have diversity of supply. I think the Middle East will remain a region of competition, of global competition, fighting for a long time.

The Arab awakening has been, up to now, a lot about freedom from dictatorial regimes - Syria, Yemen, Libya, Tunisia, Bahrain and Egypt. But once you got freedom from, then you need freedom to. Freedom from is about destroying things. Freedom to is about constructing things, constructing the rule of law.

Almost all the students who make it to Caltech, one of the best scientific universities in the world, come from public schools. So it can be done.

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!'.

American young people have got to understand from an early age that the world pays off on results, not on effort. Not everyone should win a prize no matter where he or she finishes.