Daniel 2:22 (BSB)

He reveals the deep and hidden things; He knows what lies in darkness, and light dwells with Him.

From Daniel 2. Also in the ESV.

Commentary on Daniel 2:22

• John Calvin (Reformed), Calvin's Commentaries on Daniel 2:22: He pursues the same sentiment, and confirms it, — that all mortals receive from God’s Spirit whatever intelligence and light they enjoy; but he proceeds a step further in this verse than in the last. He had said generally, that, men receive wisdom and understanding by God’s good will; but here he speaks specially; for when a man’s understanding is rare and unusual, there God’s...
• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Daniel 2:14-23: When the king sent for his wise men to tell them his dream, and the interpretation of it (Dan 2:2), Daniel, it seems, was not summoned to appear among them; the king, though he was highly pleased with him when he examined him, and thought him ten times wiser than the rest of his wise men, yet forgot him when he had most occasion for...
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Daniel 2:22: He revealeth the deep and secret things,.... The purposes of his own heart, which are the deep things of God, and the secrets that belong to him, and which are opened in providence by the execution of them; the "arcana imperii", or secrets of state, committed to men designed for government; the secrets or mysteries of grace, the deep things of the Gospel, made known...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Daniel 2:22: revealeth-- (Job 12:22). So spiritually (Eph 1:17-18). knoweth what is in . . . darkness-- (Psa 139:11-12; Heb 4:13). light . . . him-- (Jam 1:17; Jo1 1:4). Apocalypse (or "revelation") signifies a divine, prophecy a human, activity. Compare Co1 14:6, where the two are distinguished.