24:18-25 God's encouraging us to offer to him spiritual sacrifices, is an evidence of his reconciling us to himself. David purchased the ground to build the altar. God hates robbery for burnt-offering. Those know not what religion is, who chiefly care to make it cheap and easy to themselves, and who are best pleased with that which costs them least pains or money. For what have we our substance, but to honour God with it; and how can it be better bestowed? See the building of the altar, and the offering proper sacrifices upon it. Burnt-offerings to the glory of God's justice; peace-offerings to the glory of his mercy. Christ is our Altar, our Sacrifice; in him alone we may expect to escape his wrath, and to find favour with God. Death is destroying all around, in so many forms, and so suddenly, that it is madness not to expect and prepare for the close of life.

24. Nay; … I will … buy it of thee at a price—The sum mentioned here, namely, fifty shekels of silver, equal £6 sterling, was paid for the floor, oxen and wood instruments only, whereas the large sum (1Ch 21:25) was paid afterwards for the whole hill, on which David made preparations for building the temple.