לֵ֤ךְ וְאָמַרְתָּ֙ אֶל־דָּוִ֣יד עַבְדִּ֔י כֹּ֖ה אָמַ֣ר יְהוָ֑ה לֹ֥א אַתָּ֛ה תִּבְנֶה־לִּ֥י הַבַּ֖יִת לָשָֽׁבֶת׃
’Go and tell David My servant: Thus saith the LORD: Thou shalt not build Me a house to dwell in;
Rashi
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.