Wherefore when he cometh into the world, he saith, Sacrifice and offering thou wouldest not, but a body hast thou prepared me:
Ver. 5. But a body hast thou prepared] A metaphor from mechanics, who do artificially fit one part of their work to another, and so finish the whole, κατηρτισω. God fitted his Son's body to be joined with the Deity, and to be an expiatory sacrifice for sin.