And David said to Solomon his son, Be strong and of good courage, and do it: fear not, nor be dismayed: for the LORD God, even my God, will be with thee; he will not fail thee, nor forsake thee, until thou hast finished all the work for the service of the house of the LORD.
As for the general charge that David gave his son to seek God and serve him, the book of the law was, in that, his only rule, and there needed no other; but, in building the temple, David was now to give him three things: - 1. A model of the building, because it was to be such a building as neither he nor his architects ever saw.
Commenting on 1 Chronicles 28:11-21
And, behold, all the courses of the priests and the Levites,.... Which David had lately fixed to take their turns in the temple, when built: even they shall be with thee for all the service of the house of God; to advise and assist him in everything relating to the service of the sanctuary, which they might be supposed best to understand: and there shall...
Be strong and of good courage--The address begun in Ch1 28:9 is resumed and concluded in the same strain.