He shall build me an house, and I will stablish his throne for ever. I will establish his throne for ever - David was a type of Christ; and concerning him the prophecy is literally true. See Isaiah 9:7, where there is evidently the same reference.
Related Commentaries of 1 Chronicles 17:12
1 Chronicles 17:12
12 He shall build me an house, and I will stablish his throne for ever.