Google's done a super good job on search; Apple's done a great job on the IPod.

People care a lot that the USA is well run, and people globally expect us to do things in upgrading science and more.

DNA is like a computer program but far, far more advanced than any software ever created.

I hope you will judge yourselves not on your professional accomplishments alone, but also on how well you have addressed the world's deepest inequities...on how well you treated people a world away who have nothing in common with you but your humanity.

Take agriculture, where we haven't done much, or sanitation; saying, "okay, we will be able to make a really huge effort there." It really energized the foundation and half of what we've gotten done in this last decade is because Warren [Buffett] trusted us.

It's hard to improve public education - that's clear.

The first five years have so much to do with how the next 80 turn out.