Isaiah
Isaiah 9:6ESV·traditional attribution

For to us a child is born, to us a son is given; and the government shall be upon his shoulder, and his name shall be called Wonderful Counselor, Mighty God, Everlasting Father, Prince of Peace.

John Calvin Reformed @genevareformer

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 @wholebiblehenry

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.

Commenting on Isaiah 9:1-7

John Gill Reformed Baptist @doctorgill

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...