This middah of Hashem, too, is one with which…
This middah of Hashem, too, is one with which a person must conduct himself, meaning that he should not downplay the good that his fellow has done while recalling the bad he has done to him; on the contrary, he should downplay the bad and work to forget it and abandon it, and, following in the path of Hashem, "not let evil dwell in this domain."
— from True North (Ethics, Integrity, Truth, Values) · Tomer Devorah: Rabbi Moshe Cordevereo's Classic Guide to Emulating Hashem's Thirteen Attri
In the book
It is why the sages insisted that derech eretz — basic decent conduct toward others — comes chronologically before all the higher learning; there is no Torah without it, because proper behavior is the very ground everything else is built upon. The same wisdom asks you to keep a generous ledger of others: downplay the bad someone has done to you and work to forget it, while remembering the good. One philosopher even argued that the way to design a decent society is to make sure everyone's reputation is always on the line, so good behavior reliably brings good consequences. — True North (Ethics, Integrity, Truth, Values)