Parashas Devarim · Side page (no TT primary unit)
Devarim 3:2
Rashi on Deuteronomy 3:2:1 (Genesis Rabbah 42:8)
ובסיחון לא הוצרך לומר "אל תירא אותו", אלא מתיירא היה משה שלא תעמוד לו זכות ששימש לאברהם, שנאמר (בראשית י״ד) "ויבא הפליט", והוא עוג.
English: Why does this verse say “Do not fear him” about Og, when that reassurance was not stated about Sihon? Moses feared that Og’s merit for having served Abraham might protect him; the “fugitive” who came to tell Abraham of Lot’s capture was Og.
Classic Commentary
The command not to fear Og addresses Moses’ concern that Og’s earlier role in alerting Abraham might give him merit that could protect him.