Deuteronomy 17:1 - Joseph Benson’s Commentary on the Old and New Testaments

Having spoken of the principal services and offerings prescribed in the law for preventing the Israelites from idolatrous practices, Moses interposes a caution against neglect or profaneness in their own worship of the true God; which might be committed by offering any beast to him that had a disease, blemish, or defect in it. See in Leviticus 1:3. Bullock or sheep Either greater or smaller sacrifices, all being comprehended under the two most eminent kinds. All that God receives he requires to be perfect.