(15) For verily he took not on [him the (b) nature of] angels; but he took on [him] the (c) seed of Abraham.
(15) He explains those words of flesh and blood, showing that Christ is true man, and not by changing his divine nature, but by taking on man's nature. He names Abraham, regarding the promises made to Abraham in this behalf.
(b) The nature of angels.
(c) The very nature of man.