1, with the lights on at night, it's time for men to study. Teenagers only know how to play, but don't know how to study hard. When they are old, they regret why they didn't know how to study hard when they were young.

2, tens of millions of inventions, the starting point is a problem. Animals are worse than people, and they don't ask whether they are alive or not. Smart people ask smart questions, while fools ask stupid questions. Man is better than nature, only in all aspects.

The root of learning is bitter, but the fruit of learning is sweet. Learning comes from diligence, and wealth comes from thrift.

If you don't learn, you won't learn.

5, reading is good to ask, if you can't ask, you may wish to ask again.

6, sensitive and eager to learn, not ashamed to ask questions.

7, review the old and know the new, you can be a teacher.

8. There is a road to diligence in Lushan, and there is no limit to learning the sea. ?

9, so you can never get tired of reading books, and you have self-knowledge when you read them carefully.

10, books are the ladder of human progress.

1 1, I have a shallow understanding of what I get on paper and don't know how to do it.

12 learning without thinking is useless, thinking without learning is dangerous.