I do not want to waste any time. And if you are not working on important things, you are wasting time.

Education, actual learning - it is hard work. It's very personal. Your parents don't teach you anything. Your teachers don't teach you anything. The government doesn't teach you anything. You read it. You don't understand it; you read it again. You break a pencil and read it again.

You have teenagers thinking they're going to make millions as NBA stars when that's not realistic for even 1 percent of them. Becoming a scientist or engineer is.

In some cases, inventions prohibit innovation because we're so caught up in playing with the technology, we forget about the fact that it was supposed to be important.

As we move towards 8 or 10 billion people on the planet, there's a little less gold per capita. Each one of us will continue to be fighting over an ever smaller percentage of total resources. This is not a happy thought

[Chuck's wife] was standing behind me at the time and she said, 'Chuck hasn't fed himself in 19 years. So, you've got a choice: We keep the arm, or you keep Chuck.'

In a free society, you get what you celebrate.