Jeremiah 15:12
Can anyone break iron, iron from the north, or bronze?
Jeremiah 1:18-19
Now look, I have made you {today} as a fortified city and as an iron pillar and a bronze wall against all the land, against the kings of Judah, against its princes, against its priests, and against the people of the land.
Habakkuk 1:5-10
"Look among the nations and see; be astonished and astounded. For a work [is about to] be done in your days that you will not believe if it is told.
Job 40:9
Or do you have an arm like God, and can you thunder with a voice like his?
Isaiah 45:9
Woe [to the] one who strives with his {maker}, a potsherd among potsherds of earth! Does [the] clay say to the one who fashions it, 'What are you making?' and 'Your work has no hands'?
Jeremiah 21:4-5
'Thus says Yahweh, the God of Israel: "Look, I [am] about to turn back the weapons of war that [are] in your hands, [with] which you [are] fighting against them, the king of Babylon and the Chaldeans who are laying siege to you from outside the wall, and I will gather them into the center of this city.
Jeremiah 28:14
For thus says Yahweh of hosts, the God of Israel, "I have put a yoke of iron on the neck of all these nations, to serve Nebuchadnezzar, the king of Babylon, and they will serve him, and I have even given the animals of the open field to him." '"