I will hazard a prediction. When you are 80 years old， and in a quiet moment of reflection narrating for only yourself the most personal version of your life story， the telling that will be most compact and meaningful will be the series of choices you have made. In the end， we are our choices. Build yourself a great story.

The most important thing in communication is hearing what isn't said.

The only way to be happy is to love what you do.

没有人民的普遍知识，自由就无法得到保障。