Numbers 10:8 (BSB)

The sons of Aaron, the priests, are to sound the trumpets. This shall be a permanent statute for you and the generations to come.

From Numbers 10. Also in the ESV.

Commentary on Numbers 10:8

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Numbers 10:1-10: We have here directions concerning the public notices that were to be given to the people upon several occasions by sound of trumpet. In a thing of this nature, one would think, Moses needed not to have been taught of God: his own reason might teach him the conveniency of trumpets; but the constitution of Israel was to be in every thing divine, and therefore...
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Numbers 10:8: And the sons of Aaron the priests shall blow with the trumpets,.... Eleazar and Ithamar, the one with the one and the other with the other, there being at first but two, as there were but two priests; but in Solomon's time there were an hundred twenty priests, and as many trumpets, Ch2 5:12; hence Maimonides says (l), there were never fewer than two trumpets...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Numbers 10:8: the sons of Aaron the priests shall blow with the trumpets, &c.--Neither the Levites nor any in the common ranks of the people could be employed in this office of signal giving. In order to attract greater attention and more faithful observance, it was reserved to the priests alone, as the Lord's ministers; and as anciently in Persia and other Eastern countries the alarm trumpets...
• Geneva Bible Notes (Reformed), Geneva Bible Study Notes on Numbers 10:8: And the sons of Aaron, the priests, shall blow with the trumpets; and they shall be to you for an ordinance for ever throughout your generations. (d) So that only the priests must blow the trumpets, as long as the priesthood lasted.