Deuteronomy 33:8-11 - Blessing On Levi
8 And of Levi he said, "Give to Leviyour Thummim, and your Urim to your godly one, whom you tested at Massah, with whom you quarreled at the waters of Meribah; 9 who said of his father and mother, 'I regard them not'; he disowned his brothers and ignored his children. For they observed your word and kept your covenant. 10 They shall teach Jacob your rules and Israel your law; they shall put incense before you and whole burnt offerings on your altar. 11 Bless, O LORD, his substance, and accept the work of his hands; crush the loins of his adversaries, of those who hate him, that they rise not again."