David] See 1 Chron. 26. 1, &c. and Samuel] Samuel might settle their orders himself, while he ruled, after he had setled the ark. Or he might advise with David thereabout while they two lived together: as in a like case Gad and Nathan did, 2 Chronicles 29:25. seer] See the notes on 2 Kings 17:30. did ordain] Heb. founded. set office] Or, trust. Perpetuall and unalterable.