思考是一种计算形式。

古代的学者，为自己才学不高而担忧，就发奋学习，迎头赶上；现在的文士，为自己才学不高而羞愧，就隐满短处，避忌批评。

I think it's important to have a positive attitude and to be optimistic.

好的科学需要耐心和坚持。

The opera is a beautiful and irrational world. One could spend a lifetime listening and still not understand everything.