1. If you listen to both, you will be enlightened, if you listen to one side, you will be dark
2. Learning is like going against the current, if you do not advance, you will retreat
3. A good scholar will learn from others' strengths and use them to learn from others. Make up for their shortcomings
4. In the beginning, people are inherently good, similar in nature, but far apart in habits
5. A saint will make a mistake after a lot of worries, and a fool will gain after a lot of worries
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6. If a young man does not work hard, he will be sad when he is old
7. A young man does not know how to study hard, and when he is old he regrets that he is too late to study
8. Black hair does not know how to study early, and white hair Shoufang regrets studying too late