Then the LORD said to Moses and Aaron,
1. And the Lord spake unto Moses and unto Aaron This census had a different object from the former one, which we have just been considering, viz., that an equal distribution of the charges should be made in proportion to the number of the individuals.
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
And the Lord spake unto Moses, and unto Aaron,.... After they had taken the number of the Levites, and made an exchange of the firstborn of Israel for them; and now they are ordered to number them a second time, and take out from them such as were fit for service: saying; as follows.