Daniel 2:40
And fourth kingdom will be strong as iron, [and] {just as} iron crushes and smashes {everything}, and as iron shatters all of these [other metals], [so] it will crush and it will shatter [these nations].
Daniel 7:7
After this in the visions of the night I was looking and there was a fourth beast, terrifying and frightful and exceedingly strong, and {it had} {great iron teeth}, [and it was] devouring and crushing, and it stamped the remainder with its feet; and it was different from all [the other] beasts {that preceded it} {and it had ten horns}.
Jeremiah 15:12
Can anyone break iron, iron from the north, or bronze?
Daniel 2:33
its legs of iron, its feet, part of them of iron and part of them of clay.
Daniel 7:19-26
"Then I desired to make certain concerning the fourth beast that was different from {all the others}--exceedingly terrifying, with its iron teeth and its claws of bronze; it devoured and crushed [and] stamped the remainder with its feet--
Daniel 8:24
And his power will grow, but not by his [own] power, and he will cause fearful destruction, and he will succeed and {he will act}, and he will destroy [the] mighty and [the] people of [the] holy ones.
Daniel 9:26
"And after the sixty and two weeks an anointed one shall be cut off, and {he shall have nothing}, and [the] people of the coming leader will destroy the city and the sanctuary, and its end [will be] with the flood and [on] to [the] end [there shall be] war; [these] desolations are determined.
Daniel 11:36-45
"Then the king will do {as he pleases}, and he will exalt himself and will consider himself above any god, and he will speak horrendous things {against} [the] God of gods, yet he will succeed until [the period] of anger is finished, for [what] is determined will be done.
Amos 1:3
Thus says Yahweh, "For three transgressions of Damascus and for four I will not revoke [the punishment], because they threshed Gilead with threshing sledges of iron!
John 11:48
If we allow him [to go on] in this way, everyone will believe in him, and the Romans will come and take away both our place and our nation."