This sentence comes from Han Yu, a famous litterateur and the leader of the eight masters in Tang and Song Dynasties. It is a famous saying of his scholarship and aims to encourage people to study more without fear of hardship. This sentence is also included in Augmented Xianwen. In the old adage "Augmented Sage", there is a famous poem of Han Yu, a famous poet and philosopher in the Tang Dynasty in China: "There is no limit to learning the sea, but it is hard to make a boat." This sentence of Han Yu is intended to tell people that there is no shortcut and no boat to sail on the road of reading and studying. If you want to learn more and more knowledge in the vast mountain of books and learning, "diligence" and "concentration" are two essential and the best conditions. Zengguang Xianwen is also known as Xianwen in the Past and Xianwen in Ancient and Modern Times. The title of the book was first seen in the drama Peony Pavilion in the Wanli period of the Ming Dynasty, so it can be inferred that this book was written in the Wanli period at the latest. Later, it was changed to this appearance after the continuous supplement of scholars in the Ming and Qing dynasties, and it was called "Zengguang Xianwen in the Past", commonly known as "Zengguang Xianwen". The author has never seen any book, except that Zhou Xitao, a Confucian scholar, had revised it during Tongzhi period in Qing Dynasty, which was probably the crystallization of folk creation. There is a road in the mountain of books, but only those who are diligent in the sea of books can really find the way, otherwise they will not learn at all. There is no edge in the sea of learning. Only by hard work and hard work can we reach the other side. On the road of reading and studying, there is no shortcut, and there is no boat to sail with the wind. If you want to learn more and more knowledge in the vast mountain of books and learning, "diligence" and "concentration" are two essential and the best conditions. This sentence comes from Han Yu, a famous writer and the first of the eight masters in Tang and Song Dynasties. It is a famous saying of his scholarship and aims to encourage people to study more without fear of hardship. This sentence is also included in Augmented Xianwen. Literally means that in the vast mountains piled up with books, diligence is the only way to climb the peak; In the pursuit of knowledge and continuous exploration, it is an endless ocean, and here suffering will be a boat that can carry you to success. In the process of our constant exploration of truth, you must constantly explore in the wisdom carried by the book. If you want to pave the way for success, you must overcome inertia and have diligence different from ordinary people. In the eyes of ordinary people, the learning process must be boring, but it is in this ocean that ordinary people think is bitter that you can survive, find yourself in the boundless knowledge, and understand the real world and realize that you are drifting on the sea of wisdom.