My sons,.... So, as the father of his people, he speaks of them in the most tender and affectionate manner: be not now negligent; backward to this good work, slothful, sluggish, and remiss in it; according to Jarchi and Kimchi, the word has the signification of error, and the sense may be, do not continue in the error in which you have been, in neglecting the service of God: for the Lord hath chosen you to stand before him, to serve him, and that ye should minister unto him, and burn incense; on the altar of incense, which was the work of the priests, and for which they were selected from the rest of their brethren; and Hezekiah's discourse was directed to them, as well as to the Levites, Ch2 29:4.