Jeremiah 51:53

“Though Babylon should mount up to heaven, etc.] Could the walls of it, which were very high, two hundred cubits high, as Herodotusf1072 says, be carried up as high as heaven; or the towers of it, which were exceeding high, ten foot higher than the walls, as Curtiusf1073 says, likewise be raised to the same height: and though she should fortify the height of her strength: make her walls and towers as strong as they were high; unless this is to be understood particularly of the temple of Bel, in which was a solid tower, in length and thickness about six hundred and sixty feet; and upon this tower another; and so on to the number of eight, towers; and in the last of them a large temple, as the…”

“We are not to measure God's power by what seems to our perceptions natural or probable. Compare Oba 1:4 as to Edom (Amo 9:2).”

“51:53 Babylon’s fortifications could not protect it; the city would certainly be plundered, for the Lord had spoken and decreed their punishment.”

“mount: Jer 51:25, Jer 51:58, Jer 49:16; Gen 11:4; Psa 139:8-10; Isa 14:12-15, Isa 47:5, Isa 47:7; Eze 31:9-11; Dan 4:30; Amo 9:4; Oba 1:3, Oba 1:4 from: Jer 51:1-4, Jer 51:11, Jer 51:48, Jer 50:9, Jer 50:10, Jer 50:21, Jer 50:25, Jer 50:31-34, Jer 50:45; Isa 10:6, Isa 10:7, Isa 13:2-5, Isa 13:17; Isa 41:25, Isa 45:1-5 Jeremiah 51:54”

“Babylon shall by no means escape punishment. Even though it mounted up to heaven (cf. Job 20:6; there may, at the same time, be an allusion to Isa 14:12, and possibly also to the tower at Babylon), and תּבצּר, "cut off (i.e., made inaccessible) the height of its strength," i.e., the height in which its strength consists, its lofty wall of defence (probably an allusion to the lofty walls of Babylon; see on Jer 51:58), yet destroyers are to come against it from Jahveh. Jeremiah 51:54”