When you have to kill a man it costs nothing to be polite.

To write a life is to walk a tightrope between fact and interpretation.

我以打高尔夫为生。你还能要求什么呢——做自己喜欢的事还能得到报酬。

可持续性不是一种选择；它是我们行业未来的必需品。

The concept of legal validity is crucial for understanding the nature of law.