Best part of my job is fulfillment. When I see that, that we're creating value, that we're helping improve people's lives, and we benefit from it, so it's a system of mutual benefit. Our philosophy's working. That's what turns me on. That's what keeps me going.

Anytime students shout down a speaker who says something different, this is not good.

You'll remember Newton was furious at Leibniz, because he developed calculus at the same time. And he went to his death believing that he had copied him. And no, it's because all the elements were there, so it's almost inevitable that the next discovery - as long as people are free and allowed to experiment and try new things.

We are on dangerous terrain when government picks winners and losers in the economy by subsidizing favored products and industries.

I didn't think I was good at anything, didn't do well in school. And then in the third grade, I was going to a public school. And the teacher was putting math problems on the board. And I said to myself - it's amazing how you can remember certain incidents at any age that made an impression - I asked myself why is she putting those up when the answers are obvious. And then I saw it wasn't obvious to anybody else in the class. So I said, "Hey, I'm good at something."

If somebody is doing more and more to make other people's lives better, have them make all they can, if that's what drives them, because that's what we want.

The role of business is to provide products and services that make peoples lives better - while using fewer resources - and to act lawfully and with integrity.