Thomas Aquinas

Second, as to clean animals, inasmuch as they were granted to be used for food: all the flocks of Cedar, the son of Ismael, from whom a land, which abounds in sheep, has its name; the rams of Nabaioth, another son of Ismael; shall minister to you, be granted for your use, sold to the people who are in you; and inasmuch as they were granted for the use of sacrifices: they shall be offered upon my acceptable altar, that is, in which I am pleased. …

Commentary on Isaiah ↗