不要害怕失败。要害怕不去尝试。

The trick is to pay attention to what's happening around you and to keep writing.

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

The best mathematics is that which you do not understand at first glance.

"The purpose of computing is insight, not numbers."

译文：舍弃他的短处，选取他的长处。