Deuteronomy 9:26

And I prayed therefore unto the Lord
What follows is a different prayer from that in ( Exodus 32:31 Exodus 32:32 ) and agrees better with that in ( Deuteronomy 9:11 Deuteronomy 9:10 Deuteronomy 9:13 ) , delivered before he came down from the mount, yet could not be the same, because delivered at another forty days and nights:

and said, O Lord God, destroy not thy people, and thine inheritance:
because they were his inheritance, a people whom he had chosen for his peculiar treasure; this is the first argument used, another follows:

which thou hast redeemed through thy greatness;
redeemed out of the house of bondage, the land of Egypt, by his great power, as next explained:

which thou hast brought forth out of Egypt with a mighty hand:
inflicting plagues on the Egyptians, particularly destroying their firstborn, which made them the Israelites urge to depart.