Daniel 4:20 (BSB)

The tree you saw that grew large and strong, whose top reached the sky and was visible to all the earth,

From Daniel 4. Also in the ESV.

Commentary on Daniel 4:20

• John Calvin (Reformed), Calvin's Commentaries on Daniel 4:20: Here we see what I have touched upon, namely, how Daniel acted respectfully to the king, and thus was mindful of his prophetic duty, while he punctually discharged the commands of God. We must notice this distinction, for nothing is more difficult for ministers of the Word than to maintain this middle course.
• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Daniel 4:19-27: We have here the interpretation of Nebuchadnezzar's dream; and when once it is applied to himself, and it is declared that he is the tree in the dream (Mutato nomine de te fabula narratur - Change but the name, the fable speaks of thee), when once it is said, Thou art the man, there needs little more to be said for the explication of the dream.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Daniel 4:20: The tree which thou sawest, In these two verses is related part of the dream, which respects the flourishing estate of Nebuchadnezzar and his kingdom; See Gill on Dan 4:10, Dan 4:11, Dan 4:12. . Daniel 4:22 dan 4:22 dan 4:22 dan 4:22It is thou, O king, that art grown, and become strong,....
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Daniel 4:20: The tree is the king. The branches, the princes. The leaves, the soldiers. The fruits, the revenues. The shadow, the protection afforded to dependent states.