Whether offering a sacrifice to God is of the law of nature?

❌ Objection 1 : It would seem that offering a sacrifice to God is not of the natural law. Things that are of the natural law are common among all men. Yet this is not the case with sacrifices: for we read of some, e.g. Melchisedech (Gn. 14:18), offering bread and wine in sacrifice, and of certain animals being offered by some, and others by others. Therefore the offering of sacrifices is not of the natural law.

❌ Objection 2 : Further, things that are of the natural law were observed by all just men. Yet we do not read that Isaac offered sacrifice; nor that Adam did so, of whom nevertheless it is written (Wis. 10:2) that wisdom "brought him out of his sin." Therefore the offering of sacrifice is not of the natural law.

❌ Objection 3 : Further, Augustine says (De Civ. Dei x, 5,19) that sacrifices are offered in signification of something. Now words which are chief among signs, as he again says (De Doctr. Christ. ii, 3), "signify, not by nature but by convention," according to the Philosopher (Peri Herm. i, 2). Therefore sacrifices are not of the natural law.