This is the service of the sons of Kohath in the tent of meeting: the most holy things.
4. This shall be the service of the sons of Kohath. He assigns their various offices to the Levites: firstly, lest their promiscuous sedulity should beget confusion; secondly, lest ambition should stimulate certain of them, “D’ s’avancer, ou ingerer:” to put themselves forward, or to interfere. — Fr. from whence disputes and contentions might arise.
We have here a second muster of the tribe of Levi. As that tribe was taken out of all Israel to be God's peculiar, so the middle-aged men of that tribe were taken from among the rest to be actually employed in the service of the tabernacle. Now observe, I. Who were to be taken into this number. All the males from thirty years old to fifty.
Commenting on Numbers 4:1-20
This shall be the service of the sons of Kohath, in the tabernacle of the congregation,.... What follows, Num 4:4, about the most holy things; which Aben Ezra interprets only of the ark, which was indeed a most holy thing, and stood in the most holy place; but there were other holy things, in the care of which the service of the Kohathites lay; as...