Daniel 4:16 (BSB)

Let his mind be changed from that of a man, and let him be given the mind of a beast till seven times pass him by.

From Daniel 4. Also in the ESV.

Commentary on Daniel 4:16

• John Calvin (Reformed), Calvin's Commentaries on Daniel 4:16: The reason for this punishment follows, when it is added, seven times shall pass over him; and then, do not cut off its lowest root, but let the rain of heaven water it; and next; his portion shall be with the wild beasts.
• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Daniel 4:4-18: Nebuchadnezzar, before he relates the judgments of God that had been wrought upon him for his pride, gives an account of the fair warning he had of them before they came, a due regard to which might have prevented them.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Daniel 4:16: Let his heart be changed from man's,.... Not as to the substance, but as to the quality: and let a beast's heart be given unto him; from a human heart, let it be changed into a brutal one; let him be deprived of the use of reason, and have no more exercise of it than a brute has; let him be wholly governed by the...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Daniel 4:16: heart--understanding (Isa 6:10). times--that is, "years" (Dan 12:7). "Seven" is the perfect number: a week of years: a complete revolution of time accompanying a complete revolution in his state of mind.