I'm determined to disagree with people without being disagreeable. That's part of the empathy. Empathy doesn't just extend to cute little kids. You have to have empathy when you're talking to some guy who doesn't like black people.

Those of us in positions of responsibility, we'll need to be less concerned with the judgment of special interests and well-connected donors, and more concerned with the judgment of posterity.

The window is closing.

We've got to control our own energy. Now, not only oil and natural gas, which we've been investing in; but also, we've got to make sure we're building the energy source of the future, not just thinking about next year, but ten years from now, 20 years from now. That's why we've invested in solar and wind and biofuels, energy efficient cars.

Jobs was brave enough to think differently, bold enough to believe he could change the world, and talented enough to do it.

We believe that no matter where you live - whether a village in Punjab or the bylanes of Chandni Chowk, an old section of Kolkata or a new high-rise in Bangalore - every person deserves the same chance to live in security and dignity, to get an education, to find work, and to give their children a better future.

This week I've travelled more than 15,000 miles from America to China to Burma to Australia. I have no idea what time it is right now.