Jade is uncut, abrasive, and has no manners. It is an old saying that opening a book is beneficial. I advise you to remember your heart forever.

Jade is like a stone, you can't be a man without learning. Reading is a famous saying that sums up the wisdom of generations since ancient times. I hope you will always remember it. This sentence is to persuade people to read. Learning is to people what sculpture is to jade. It is the cultivation of human character and personality.