John Gill Commentary 1 Chronicles 22:17

"David also commanded all the princes of Israel to help Solomon his son, [saying]," — 1 Chronicles 22:17 (ASV)

David also commanded all the princes of Israel His courtiers and nobles that were about him:

to help Solomon his son ; by their advice, and with their purses, should he need them, and by overlooking the workmen, directing and encouraging them:

saying ; as follows.