I’m positive that in 100 years much of what I take to be true today will be proved to be wrong， maybe even embarrassingly wrong， and I try really hard to identify what it is that I am wrong about today.

Success is not about being the best, it's about being better than you were yesterday.

我不让任何人定义我。我自己定义自己。

在一个腐败横行的国家，法律必须非常繁多。

合作而非竞争，才能解决世界最大的环境挑战。