I don’t let fear control me, I let it challenge me.

The young do not know enough to be prudent, and therefore they attempt the impossible, and achieve it, generation after generation.

研究的真正乐趣来自于突破我们认为可能的界限。

世界上最成功的社会是那些能够将强大的国家与法治和民主问责制结合起来的社会。