What does it mean to repay kindness with honesty?

1, "Good for evil, good for evil" means treating people who hate you fairly and giving kindness to those who are good to you. In other words, don't be selfish to the enemy, but be grateful to the benefactor. From The Analects of Confucius.

2, the original text: or: "Good for evil, how about it?" Confucius said, "How can I repay you? Direct complaints, good for good. "

3. Some people say, "How about good for evil?" Confucius said, "Is good rewarded with good? Reward evil deeds with fairness and selflessness, and reward good deeds with good deeds. "