This is what the LORD Almighty says: "Babylon's thick wall will be leveled and her high gates set on fire; the peoples exhaust themselves for nothing, the nations' labor is only fuel for the flames."
NIV
Thus says the Lord of hosts: The broad walls of Babylon shall be utterly overthrown and [the foundations] made bare, and her high gates shall be burned with fire; the peoples shall labor in vain, and the nations [only] to satisfy the fire, and they shall be weary. [Hab. 2:13.]AMP
Thus saith the LORD of hosts; The broad walls of Babylon shall be utterly broken, and her high gates shall be burned with fire; and the people shall labour in vain, and the folk in the fire, and they shall be weary.
KJV