2. It is unwise to know too much; Knowing without changing is not courage. Li Gou's Book of Changes Nine

3, if you smell it, you will be happy. If you know it, you will be outspoken and fearless. Lu Jiuyuan and Fu Quanyou

4. Change if you have it, and encourage if you don't. Zhu's Notes on The Analects of Confucius: Volume I

5. Innocence is not expensive, but it is expensive to change. Wang Shouren's "changed"

6. If Qin hates death, Han Haomou can listen. Xue _ "Reading Record" Volume Ten

Extended data:

The explanation of "moving when you see good, changing when you get it";

It means that a gentleman sees virtue, follows wholeheartedly, studies hard and corrects his mistakes quickly. Original: Wind and thunder, benefit. A gentleman moves when he sees profit, and changes when he sees profit. Source: Biography of Zhouyi.

Interpretation: wind: hexagrams. Ray: Divination. Benefits: The name of the six-pointed star is composed of the upper part and the lower part of the earthquake, which means that thunder helps the wind and the wind increases thunder and prestige, symbolizing income. Wind and thunder help each other and gain from each other, which constitutes a useful divination. Therefore, when a gentleman sees the virtue of goodness, he follows it wholeheartedly, studies hard and corrects his mistakes quickly.

Detailed explanation: the direction of truth, goodness and beauty is of course the continuous improvement of personal quality; Correcting mistakes immediately means that personal quality can get rid of the danger of decline in time, so it is also the improvement of wisdom. Therefore, it is an important means to continuously improve and enhance personal quality. It is difficult for people who blindly appreciate themselves, go their own way and refuse to change their course.