George Haydock's Catholic Bible Commentary - Deuteronomy 18:3
Due, ( judicium .) Moses only mentions a part, having explained the rest, Exodus xxix. 27., Leviticus vii. 32. --- Breast, ( ventriculum. ) In the other places pectusculum occurs. Hebrew, "the shoulder, the two cheeks, and the maw, or caul," called in Latin omasum, being the last and fattest of the four ventricles, and highly esteemed by the ancients. The cheeks or chaps are specified no where else; so that some think Moses here supplies what he had left imperfect, assigning to the priests... read more
Hawker's Poor Man's Commentary - Deuteronomy 18:4-5
The apostle Paul gives the best comment upon this passage, and indeed the subject in general: He that waiteth at the altar should be partaker of the altar. 1 Corinthians 9:1-14 . I would only observe upon it, that as the LORD himself hath undertaken by this precept to provide for his servants, bad must be the mind that refuseth to comply: and, on the other hand, most unworthy must be that servant, who takes advantage of this, to exact from his brethren more than what is just and right. read more