The Levites ought to be utterly free from all earthly desires. What their virtues should be on the Apostle’s own showing, and how great their purity must be. Also what their dignity and duty is, for the carrying out of which the chief virtues are necessary. He states that these were not unknown to the philosophers, but that they erred in their order. Some are by their nature in accordance with duty, which yet on account of what accompanies them become contrary to duty. From whence he gathers what gifts the office of the Levites demands. To conclude, he adds an exposition of Moses’ words when blessing the tribe of Levi.