2. Take Wan Li Road and study in thousands of books.
There is a road to diligence in Shushan, and there is no end to learning from the sea.
Any valuable knowledge I have learned comes from self-study.
-Darwin
5. Young people don't work hard, but old people are sad.
6. I don't know if I learn early with black hair, but I regret it later.
7. A day without books will waste everything.
etc
Is that enough?