John Gills Exposition of the Bible Commentary - Leviticus 4:3
If the priest that is anointed do sin ,.... That is, the high priest, as the Targums of Onkelos and Jonathan, and the Septuagint version, render it; who in after times was only anointed, though at first Aaron's sons were anointed with him; so an high priest is described in Leviticus 21:10 and such an one was liable to sin, and often did; which shows not only that the greatest and best of men are not without sin, but proves what the apostle observes, that the law made men high priests which... read more
Matthew Henry's Complete Commentary - Leviticus 4:1-12
The laws contained in the first three chapters seem to have been delivered to Moses at one time. Here begin the statutes of another session, another day. From the throne of glory between the cherubim God delivered these orders. And he enters now upon a subject more strictly new than those before. Burnt-offerings, meat-offerings, and peace-offerings, it should seem, had been offered before the giving of the law upon mount Sinai; those sacrifices the patriarchs had not been altogether... read more