Deuteronomy 9:18; Deuteronomy 9:26

18 Then once again I fell prostrate before the LORD for forty days and forty nights; I ate no bread and drank no water, because of all the sin you had committed, doing what was evil in the LORD’s sight and so arousing his anger.

26 I prayed to the LORD and said, “Sovereign LORD, do not destroy your people, your own inheritance that you redeemed by your great power and brought out of Egypt with a mighty hand.