Musar sur La Genèse 38:26

And, of course, if people credit him with good deeds he did not do, he should not rejoice at this but on the contrary feel great pain in his heart that he should have gotten credit for something he did not do. Also, in the case where somebody told evil tales concerning him — if these are true — he should not seek to twist the truth and thus clear himself, but do as Judah who said: "She is more in the right than I" (Gen. 38:26). And he should not try to contradict the man that told these tales, nor should he hate him because he revealed the matter, but he should bow humbly before the Creator, Blessed be He, that he has revealed a little of much that could have been revealed, in order to rebuke him and correct him that he might return to God.