John Gills Exposition of the Bible Commentary - Leviticus 16:2
And the Lord said unto Moses, speak unto Aaron thy brother ,.... Who was the high priest; and what is here said to him was binding on all high priests in succession from him: that he come not at all times into the holy place ; or "holiness" F16 אל הקדש "ad sanctitatem", Pagninus, Montanus. , which was holiness itself, or the most holy place, as distinguished from that which was sometimes called the holy place, where stood the incense altar, the showbread table, and the... read more
Matthew Henry's Complete Commentary - Leviticus 16:1-4
Here is, I. The date of this law concerning the day of atonement: it was after the death of the two sons of Aaron (Lev. 16:1), which we read, Lev. 10:1. 1. Lest Aaron should fear that any remaining guilt of that sin should cleave to his family, or (seeing the priests were so apt to offend) that some after-sin of his other sons should be the ruin of his family, he is directed how to make atonement for his house, that it might keep in with God; for the atonement for it would be the establishment... read more