I am super lucky. I've been in the area where things have been changing and been part of the digital revolution, the magic of software, the internet, the computer, and now the cellphone... so it's been a great privilege.

Until recently, over 98 percent of teachers just got one word of feedback: Satisfactory. If all my bridge coach ever told me was that I was 'satisfactory,' I would have no hope of ever getting better.

I think when smallpox was eliminated, the whole world got pretty excited about that because it’s just such a dramatic success.

The ideal thing would be to have a 100 percent effective AIDS vaccine. And to have broad usage of that vaccine. That would literally break the epidemic.

If you take from the most wealthy and give to the least wealthy, it's good. It tries to balance out.

There's a basic philosophy here that by empowering...workers you'll make their jobs far more interesting, and they'll be able to work at a higher level than they would have without all that information just a few clicks away.

Some people, through luck and skill, end up with a lot of assets. If you're good at kicking a ball, writing software, investing in stocks, it pays extremely well.