Jeremiah 15:12
Can anyone break iron, the northern iron and the bronze?
Jeremiah 1:18-19
For, behold, I have made you this day a fenced city, and an iron pillar, and bronze walls against the whole land, against the kings of Judah, against its princes, against its priests, and against the people of the land.
Habakkuk 1:5-10
Behold you among the nations, and regard, and wonder and be astonished: for I will work a work in your days, which you will not believe, though it be told you.
Job 40:9
Have you an arm like God? or can you thunder with a voice like him?
Isaiah 45:9
Woe unto him that strives with his Maker! Let the potsherd strive with the potsherds of the earth. Shall the clay say to him that fashions it, What do you make? or of your work, He has no hands?
Jeremiah 21:4-5
Thus says the LORD God of Israel; Behold, I will turn back the weapons of war that are in your hands, with which you fight against the king of Babylon, and against the Chaldeans, who besiege you outside the walls, and I will assemble them into the midst of this city.
Jeremiah 28:14
For thus says the LORD of hosts, the God of Israel; I have put a yoke of iron upon the neck of all these nations, that they may serve Nebuchadnezzar king of Babylon; and they shall serve him: and I have given him the beasts of the field also.