Like my friend Warren Buffett, I feel particularly lucky to do something every day that I love to do. He calls it "tap dancing to work."

I went to a public school through sixth grade, and being good at tests wasn't cool.

I have an excellent memory, a most excellent memory.

Scientists and companies weren't creating things like new vaccines. Now that we have this fund that's there to buy at the lowest price, but buy for those people these medicines, we see scientists everywhere coming up with those new tools.

India has over 20 percent of the kids born in the world. And they move around a lot.

I failed in some subjects in exam, but my friend passed in all. Now he is an engineer in Microsoft and I am the owner of Microsoft.

Is the rich world aware of how four billion of the six billion live? If we were aware, we would want to help out, we'd want to get involved.