The author is Han Yu.

This sentence comes from the famous writer Han Yu, the leader of the Eight Great Scholars of the Tang and Song Dynasties. It is a famous saying about his academic studies and aims to encourage people to read more without fear of hardship. This sentence is also included in "Zengguang Xianwen".

In the ancient saying "Zeng Guang Xian Wen", there is a famous scholarly couplet by Han Yu, a famous poet and philosopher of the Tang Dynasty in my country: "There are roads in the mountains of books, and diligence is the path, and there is no limit to the sea of ??learning, and the boat is made by hard work." Han Yu's words mean that Tell people that on the road of reading and learning, there are no shortcuts and no smooth sailing. If you want to learn more and broader knowledge from the vast mountain of books and sea of ??learning, "diligence" and "concentration" are two Essential and the best condition.