Always listen to your audience. They will tell you what they want, if you're willing to hear.

数学研究是一次进入未知的旅程，每一次发现都为新的谜题打开了大门。

Literature is the memory of humanity, a bridge between past and future.

The whole problem with the world is that fools and fanatics are always so certain of themselves， and wiser people so full of doubts.