The sons of Aaron the priest shall put a fire on the altar and arrange wood on the fire.
If a man were rich and could afford it, it is supposed that he would bring his burnt-sacrifice, with which he designed to honour God, out of his herd of larger cattle. He that considers that God is the best that is will resolve to give him the best he has, else he gives him not the glory due unto his name.
Commenting on Leviticus 1:3-9
And the sons of Aaron the priest shall put fire upon the altar,.... The fire of the altar originally came down from heaven, and consumed the sacrifice, and which was a token of God's acceptance of it, see Lev 9:24 and this fire was kept burning continually upon the altar, Lev 6:12 and yet the Jewish writers say, it was the command of God, according...
Put fire - The fire that came out of the tabernacle from before the Lord, and which was kept perpetually burning; see Lev 9:24. Nor was it lawful to use any other fire in the service of God. See the case of Nadab and Abihu, Leviticus 10 (note).