Read the old book hundreds of times without getting tired of reading it. If you read it carefully and think deeply, you will know yourself.

Strive to know all the words in the world, and resolve to read all the books in the world.

I don’t know the true face of Mount Lu, just because I am in this mountain.

I never get tired of reading old books hundreds of times, and if I read them carefully and think deeply, I will know myself.

Books are as rich as the sea, and they can be found in all department stores. People’s energy cannot be absorbed in everything, but they can only get what they want. Therefore, I hope that scholars will pursue it one at a time.