courses] 1 Chron. 24. 1. before the priests] See on 1 Chronicles 23:4. as the duty, &c.] See on 1 Kings 9:59. porters] 1 Chronicles 9:17. at every gate] Heb. at the door and door. so had David the man of God commanded] Heb. so was the commandment of David the man of God.