Matthew Henry on Leviticus 9:8-22
These being the first offerings that ever were offered by the levitical priesthood, according to the newly-enacted law of sacrifices, the manner of offering them is particularly related, that it might appear how exactly they agreed with the institution. 1. Aaron with his own hands slew the offering (Lev 9:8), and did the work of the inferior priests; for, great as he was, he must not think any service below him which he could do for the honour of God: and, as Moses had shown him how to do this work decently and dexterously, so he showed his sons, that they might do likewise; for this is the best way of teaching, and thus parents should instruct their children by example. Therefore as Moses b…
Read the whole note in the consoleJamieson-Fausset-Brown on Leviticus 9:8
Aaron . . . went unto the altar, and slew the calf of the sin offering--Whether it had been enjoined the first time, or was unavoidable from the divisions of the priestly labor not being as yet completely arranged, Aaron, assisted by his sons, appears to have slain the victims with his own hands, as well as gone through all the prescribed ritual at the altar.
Adam Clarke on Leviticus 9:7
Make an atonement for thyself - This showed the imperfection of the Levitical law; the high priest was obliged to make an expiation for his own sins before he could make one for the sins of the people. See the use made of this by the apostle, Heb 5:3; Heb 7:27; Heb 9:7.
John Gill on Leviticus 9:11
And the flesh and the hide he burnt with fire without the camp. With common fire, for the fire from the Lord came only upon the altar, which perhaps may be the reason of this expression being used when anything was burnt without the camp, and not on the altar, see Exodus 29:14. Jarchi observes, that we do not find a sin offering burnt without the camp but this; which is a great mistake; see Leviticus 4:11.
John Calvin