Writing is easy: All you do is sit staring at a blank sheet of paper until drops of blood form on your forehead.

当年的年轻人已变成了花下之尘。

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

如果易用性是唯一的要求，那么每个人都会还在骑三轮车。

The challenge is not just to give people money but to understand how they make decisions under constraints.