Jeremiah
Jeremiah 50:27ESV·traditional attribution

Kill all her bulls; let them go down to the slaughter. Woe to them, for their day has come, the time of their punishment.

John Calvin Reformed @genevareformer

He goes on with the same subject; he bids the Persians and the Medes to slay every strong man in Chaldea; for by bullocks he no doubt means by a metaphor all those who excelled in strength, or in power, or in wealth.

Matthew Henry Presbyterian @wholebiblehenry

Here, 1. The forces are mustered and commissioned to destroy Babylon, and every thing is got ready for a descent upon that potent kingdom: Go up against that land by Merathaim, the country of the Mardi, that lay part in Assyria and part in Armenia; and go among the inhabitants of Pekod, another country (mentioned Eze 23:23) which Cyrus took in his way to Babylon.

Commenting on Jeremiah 50:21-32

John Gill Reformed Baptist @doctorgill

Slay all her bullocks,.... Or, "all her mighty ones", as the Targum and Vulgate Latin version; her princes and great men, as Jarchi, Kimchi, and Abarbinel; compared to bullocks for their strength, fatness, and fierceness; see Psa 22:12; this may well be applied to the slaughter of kings, captains, and mighty men, at the battle of Armageddon, Rev 19:18; let them go down to the...