别人待我好，我也应对人好。投桃报李，以德报德，是普遍为人们所接受的道德规范。但如果别人以恶意对待我，我应如何回报于他，这是引起普遍争议的大问题。小而言之，这是个人修养应遵循什么原则的问题；大而言之，历史上许多悲剧，乃至于今天世界上的纷乱，都与对这个问... When others treat me well, I also deal with people. Peach reported Lee, Germany to Germany, is generally accepted by people’s moral norms. However, if people treat me with malice, how should I report back to him? This is a big issue that has caused widespread controversy. In short, this is the question of what principles one should follow in personal cultivation. In large part, many tragedies in history and even the turmoil in the world today are related to this question.