The landscape of string theory is vast and complex, with perhaps 10^500 different possible universes.

如果你不犯错，说明你不够努力。

In the end, we will remember not the words of our enemies, but the silence of our friends.

Tragic art, as it developed in the theaters of ancient Greece, in the fifth century B.C., was essentially an art form devoted to tracing how people fail, and also according them a level of sympathy, which ordinary life would not necessarily accord them. A few years ago, I was thinking about this, and I went to "The Sunday Sport," a tabloid newspaper I don't recommend you start reading if you're not familiar with it already.

真实的就是有效的。