If you have poor management that's not doing the right job, you end up with unions filling the void and... page after page of work rules and thicker and thicker contracts.

I don't think the market can keep going up. In the U.S., we see real estate not going up.. houses are selling at lower prices. You can't have anything going up 10 percent to 20 percent to 30 percent indefinitely.

Oprah Winfrey's global influence is unparalleled. Not only has her generosity and firm belief that education is the key to a better life benefited countless women and children around the world, but her example has also inspired millions of people to give back in ways big and small.

Who you spend your life with-much more so than how you choose to spend it-is the most important decision you can make. Do it right. That's the best advice I can give you.

Time is the most valuable thing you have - and I'm not just talking about the minutes for which you're paid.

I don't see myself as a great discoverer of artists, like Charles Saatchi.

How absurd that our students tuck their cell phones, BlackBerrys, iPads, and iPods into their backpacks when they enter a classroom and pull out a tattered textbook.