They envied Moses also in the camp, and Aaron the saint of the LORD.
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Augustine of Hippo
AD 430
14. "And they angered Moses in the tents, and Aaron the saint of the Lord" (ver. 16). What angering, or, as some have more literally rendered it, what provocation, he speaketh of, the following words sufficiently show.
Holy one. By his function (Worthington) of priest. Core wished to take his place, as the rest did to supplant Moses in the civil government, Numbers xvi. (Calmet)