我并不假装理解宇宙——它比我大多了。

成功不在于你拥有多少钱，而在于你影响了多少人的生活。

"The future is about creating opportunities for all."

You’ve got to have models in your head. And you’ve got to array your experience—both vicarious and direct—on this latticework of models. You may have noticed students who just try to remember and pound back what is remembered. Well, they fail in school and in life. You’ve got to hang experience on a latticework of models in your mind.

Sometimes I just feel like quitting, but then I think about all the people I’d be letting down.

Innovation in energy must be balanced with responsibility—progress cannot come at the expense of the planet.

I think the best actors are the ones who are willing to take risks and not be afraid to fail.