Matthew Henry on Numbers 3:14-39
The Levites being granted to Aaron to minister to him, they are here delivered to him by tale, that he might know what he had, and employ them accordingly. Observe,
I. By what rule they were numbered: Every male from a month old and upward, Num 3:15. The rest of the tribes were numbered only from twenty years old and upwards, and of them those only that were able to go forth to war; but into the number of the Levites they must take in both infants, and infirm; being exempted from the war, it was not insisted upon that they should be of age and strength for the wars. Though it appears afterwards that little more than a third part of the Levites were fit to be employed in the service of the ta…
Read the whole note in the consoleJamieson-Fausset-Brown on Numbers 3:14
Number the children of Levi--They were numbered as well as the other tribes; but the enumeration was made on a different principle--for while in the other tribes the number of males was calculated from twenty years and upward [Num 1:3], in that of Levi they were counted "from a month old and upward." The reason for the distinction is obvious. In the other tribes the survey was made for purposes of war [Num 1:3], from which the Levites were totally exempt. But the Levites were appointed to a work on which they entered as soon as they were capable of instruction. They are mentioned under the names of Gershon, Kohath, and Merari, sons of Levi, and chiefs or ancestral heads of three subdivisions…
Read the whole note in the consoleJohn Gill on Numbers 3:28
In the number of all the males, from a month old and upwards, were eight thousand and six hundred,.... 8,600 men, which was the largest number of any of the houses of the Levites; but considering it had double the number of families in it, the increase was not so large in proportion, at least to Gershon, whose two families wanted but 1,100 of these four:
keeping the charge of the sanctuary; of the holy and most holy places, and the vessels and instruments belonging thereunto; not that the males of a month old were keeping them, but when they were grown up and were capable of it, they had the charge thereof, in which they were instructed and trained up from their youth.