There is just so much stuff in the world that, to me, is devoid of any real substance, value, and content that I just try to make sure that I am working on things that matter.

We are in a race between knowledge and catastrophe. If we keep track of what is important, never lower our standards or forget why we are here, we have the ability to determine the fate of the world.

I think an education is not only important, it is the most important thing you can do with your life.

My biggest worry is I'm running out of time and energy. Thirty years ago I thought 10 years was a really long time.

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

Whatever the marketplace, if talented people are given resources, they're going to keep driving us to having better, simpler, cheaper solutions to problems.

People take the longest possible paths, digress to numerous dead ends, and make all kinds of mistakes. Then historians come along and write summaries of this messy, nonlinear process and make it appear like a simple, straight line.