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.
9. Who said unto his father and his mother. In the person of Aaron an example is set before all the Levites for their imitation. And, first, he is said to have renounced his own flesh and blood, in order that he might be more disencumbered for obeying God; and in fact it is necessary that all the pastors of the Church should put off...
In blessing the tribe of Levi, Moses expresses himself more at large, not so much because it was his own tribe (for he takes no notice of his relation to it) as because it was God's tribe. The blessing of Levi has reference. I.
Commenting on Deuteronomy 33:8-11
They shall teach Jacob thy statutes, and Israel thy law,.... The priests and Levites, being dispersed among each of the tribes, having cities in them allotted to them, taught the people the laws, statutes, and ordinances of the Lord, moral, civil, and ceremonial, see Mal 2:6, they shall put incense before thee; upon the altar of incense, which none but a priest might do, as...