Deuteronomy 33:8-11

About Levi he said: “Your Thummim and Urim belong to your faithful servant. You tested him at Massah; you contended with him at the waters of Meribah. He said of his father and mother, ‘I have no regard for them.’ He did not recognize his brothers or acknowledge his own children, but he watched over your word and guarded your covenant. He teaches your precepts to Jacob and your law to Israel. He offers incense before you and whole burnt offerings on your altar. Bless all his skills, LORD, and be pleased with the work of his hands. Strike down those who rise against him, his foes till they rise no more.”