Numbers 8:24 (BSB)

“This applies to the Levites: Men twenty-five years of age or older shall enter to perform the service in the work at the Tent of Meeting.

From Numbers 8. Also in the ESV.

Commentary on Numbers 8:24

• John Calvin (Reformed), Calvin's Commentaries on Numbers 8:24: 24. This is it, that belongeth to the Levites. The age is here prescribed when the Levites should begin and end the execution of their office. God commands them to commence in their 25th year and grants them their dismissal in their 50th; and for both these provisions there is very good reason.
• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Numbers 8:5-26: We read before of the separating of the Levites from among the children of Israel when they were numbered, and the numbering of them by themselves (Num 3:6, Num 3:15), that they might be employed in the service of the tabernacle. Now here we have directions given for their solemn ordination (Num 8:6), and the performance of it, Num 8:20.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Numbers 8:24: And from the age of fifty years they shall cease waiting upon the service thereof,.... The heavy service of it: and shall serve no more; by bearing and carrying the vessels of the sanctuary upon their shoulders, as Jarchi interprets it; this, according to the Jewish writers, was only in force while the tabernacle was in the wilderness, and was moved from place to place...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Numbers 8:24: from twenty and five years old, &c.--(Compare Num 4:3). They entered on their work in their twenty-fifth year, as pupils and probationers, under the superintendence and direction of their senior brethren; and at thirty they were admitted to the full discharge of their official functions.