Daniel 2:31 (BSB)

As you, O king, were watching, a great statue appeared. A great and dazzling statue stood before you, and its form was awesome.

From Daniel 2. Also in the ESV.

Commentary on Daniel 2:31

• John Calvin (Reformed), Calvin's Commentaries on Daniel 2:31: Although Daniel here records the dream, and does not touch on its interpretation, yet we must not proceed farther without discoursing on the matter itself. When the interpretation is afterwards added, we shall confirm what we have previously said, and amplify as the context may guide us.
• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Daniel 2:31-45: Daniel here gives full satisfaction to Nebuchadnezzar concerning his dream and the interpretation of it. That great prince had been kind to this poor prophet in his maintenance and education; he had been brought up at the king's cost, preferred at court, and the land of his captivity had hereby been made much easier to him than to others of his brethren.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Daniel 2:31: Thou, O king, sawest,.... Or, "wast seeing" (z); not with the eyes of his body, but in his fancy and imagination; as he was dreaming, he thought he saw such an appearance, so it seemed to him, as follows: and behold a great image; or, "one great image" (a); not painted, but a massive statue made of various metals, as is afterwards declared: such, though...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Daniel 2:31: The world power in its totality appears as a colossal human form: Babylon the head of gold, Medo-Persia the breast and two arms of silver, GrÃ&brvbrco-Macedonia the belly and two thighs of brass, and Rome, with its Germano-Slavonic offshoots, the legs of iron and feet of iron and clay, the fourth still existing.