וַיֹּ֣אמֶר יְהוָ֔ה אִם־אֶמְצָ֥א בִסְדֹ֛ם חֲמִשִּׁ֥ים צַדִּיקִ֖ם בְּת֣וֹךְ הָעִ֑יר וְנָשָׂ֥אתִי לְכָל־הַמָּק֖וֹם בַּעֲבוּרָֽם׃
Yang Mahakekal berfirman, “Jika Aku mendapati lima puluh orang benar di dalam kota Sodom, Aku akan mengampuni seluruh tempat itu demi mereka.”
Radak
כי עלית משכבי אביך, when you committed that act, חללת יצועי, you defiled my couch; your act prevented me from having any further marital relations with my wife Bilhah. My grandfather explained the expression יתר שאת as an allusion to atonement. [שאת from the root נשא, to elevate, i.e. to forgive as in ונשאתי לכל המקום, “I will forgive the whole place” (Genesis 18,26) Ed.] If so, far from putting down Reuven in his final words to him, Yaakov blessed him by offering his forgiveness at this time for the sin he had committed. against him.