Isaiah 9:6 (BSB)

For unto us a child is born, unto us a son is given, and the government will be upon His shoulders. And He will be called Wonderful Counselor, Mighty God, Everlasting Father, Prince of Peace.

From Isaiah 9. Also in the ESV.

Commentary on Isaiah 9:6

• John Calvin (Reformed), Calvin's Commentaries on Isaiah 9:6: 6. For unto us a child is born. Isaiah now argues from the design, to show why this deliverance ought to be preferred to the rest of God’s benefits, namely, because not only will God bring back the people from captivity, but he will place Christ on his royal throne, that under him supreme and everlasting happiness may be enjoyed.
• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Isaiah 9:1-7: The first words of this chapter plainly refer to the close of the foregoing chapter, where every thing looked black and melancholy: Behold, trouble, and darkness, and dimness - very bad, yet not so bad but that to the upright there shall arise light in the darkness (Psa 112:4) and at evening time it shall be light, Zac 14:7.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Isaiah 9:6: For unto us a child is born,.... This is a reason of all that is said in the context; of the great light that shone upon and was seen by those that sat in darkness, and in the land of the shadow of death; of the great joy among the people; of the breaking off of the yoke, rod, and staff of the oppressor; and...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Isaiah 9:6: For--the ground of these great expectations, unto us--for the benefit of the Jews first, and then the Gentiles (compare "unto you," Luk 2:11). son . . . given-- (Psa 2:7). God's gratuitous gift, on which man had no claim (Joh 3:16; Rom 6:23). government . . . upon . . . shoulder--The ensign of office used to be worn on the shoulder, in token of sustaining the government (Isa 22:22).