Daniel 7:8 (BSB)

While I was contemplating the horns, suddenly another horn, a little one, came up among them, and three of the first horns were uprooted before it. This horn had eyes like those of a man and a mouth that spoke words of arrogance.

From Daniel 7. Also in the ESV.

Commentary on Daniel 7:8

• John Calvin (Reformed), Calvin's Commentaries on Daniel 7:8: Daniel proceeds with his description of the fourth beast. First, he says, he was attentive, with the intention of rousing us to serious meditation. For what is said of the fourth beast, was remarkably memorable and worthy of notice. This, then, is the reason why God struck the heart of his servant with wonder.
• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Daniel 7:1-8: The date of this chapter places it before ch. 5, which was in the last year of Belshazzar, and ch. 6, which was in the first of Darius; for Daniel had those visions in the first year of Belshazzar, when the captivity of the Jews in Babylon was drawing near a period.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Daniel 7:8: I considered the horns,.... The ten horns of the fourth beast; these the prophet particularly looked at, took special notice of them, carefully observed them, their number, form, and situation, and pondered in his mind what should be the meaning of them: and, behold; while he was attentive to these, and thinking within himself what they should be, something still more wonderful presented: there came...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Daniel 7:8: little horn--little at first, but afterwards waxing greater than all others. He must be sought "among them," namely, the ten horns. The Roman empire did not represent itself as a continuation of Alexander's; but the Germanic empire calls itself "the holy Roman empire." Napoleon's attempted universal monarchy was avowedly Roman: his son was called king of Rome.