Commentaries
4:4-20 The Kohathites were to carry the holy things of the tabernacle. All the holy things were to be covered; not only for security and respect, but to keep them from being seen. This not only marked the reverence due to holy things, but the mystery of the things signified by those types, and the darkness of the dispensation. But now, through Christ, the case is altered, and we are encouraged to come boldly to the throne of grace.
16. to the office of Eleazar … pertaineth the oil for the light, and the sweet incense, &c.—He was charged with the special duty of superintending the squadron who were employed in the carrying of the sacred furniture; besides, to his personal care were committed the materials requisite for the daily service, and which it was necessary he should have easily at his command (Ex 29:38).