פירוש על דברי הימים א 18:8

huge quantities of copper, from which... made, etc. This is what I stated (verse 17:1); since David stated [his intention] to build the House, and the Holy One, blessed be He, said to him, (17:4): “You shall not build... the House,” but your son, he proceeds to tell how he prepared for him to erect the edifice.