1. "Repay kindness with kindness" or "repay kindness with kindness": repay hatred with kindness. ——"Tao Te Ching" Chapter 63: "No matter how big or small, repay grievances with virtue." "Laozi" Chapter 79: "It is the sage who holds the left contract and does not blame others." This is also the truth. Some people have moved the virtue of reporting grievances into this chapter, which is not only inconsistent with the context, but also suspected of tampering with ancient books. Judging from the current version, the silk version, and the context, there is no wrong abbreviation in the sixty-three chapters.

2. Repay kindness with hatred: repay kindness with hatred. ——"Guoyu. Zhou Yuzhong": "Repaying kindness with hatred is unkind."

3. Repay kindness with kindness. ——Chapter 16 of "Red Sun": "He felt that at this difficult time, he should repay kindness with kindness." 4. Repay grievance with kindness. ——"Book of Han. Biography of Fu Jiezi": "The emperor issued an edict: '...Fu Jiezi, the supervisor of Pingle...repays the grievances directly and does not bother the teacher.

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