I can’t play bridge. I don’t play tennis. All those things that people learn, and I admire, there hasn’t seemed time for. But what there is time for is looking out the window.

All the effects of nature are only the mathematical consequences of a small number of immutable laws.

你必须有一个梦想，这样你才能在早上起床。

当你有局限时，你必须更有创造力。