1. Scholars do not make progress, they just love themselves. ——Lu Jiuyuan of the Song Dynasty, "Lu Xiangshan Collection·Quotations"

Meaning: People who study cannot make progress simply because they are too self-righteous and proud.

2. Learning is useless if it is not enough to cultivate oneself and govern others. ——Fang Bao's "Chronological Preface" of the Qing Dynasty.

It means: If the knowledge learned cannot cultivate oneself and serve the society, then it is useless knowledge.

3. Learning must seek its own experience, and career must be more valuable than specialization. ——Zhang Xuecheng of the Qing Dynasty, "General Theory of Literature and History·Bo Yue".

It means: learning must understand its spiritual essence and truly gain something; the most important thing about learning is to be proficient in a certain aspect.

4. Only when you learn to be shy can you realize that your skills are not high. ——Zhang Jingyue's "Lei Jing" in the Ming Dynasty

It means: Only when you feel deeply inadequate in your studies can you realize that your academic level is not high.

5. Slowly tend to follow the track, but rash progress should lead to derailment. ——"Late Arrival at Badaling" by Liu Ying of the Qing Dynasty.

Meaning: Doing and learning must be done step by step and step by step. Impatience and rash advancement will lead to failure.