Daniel 2:33

its legs of iron, its feet partly of iron and partly of clay.

Daniel 2:40-43

Then there will be a fourth kingdom as strong as iron; inasmuch as iron crushes and shatters all things, so, like iron that breaks in pieces, it will crush and break all these in pieces.

Daniel 7:7-8

After this I kept looking in the night visions, and behold, a fourth beast, dreadful and terrifying and extremely strong; and it had large iron teeth. It devoured and crushed and trampled down the remainder with its feet; and it was different from all the beasts that were before it, and it had ten horns.

Daniel 7:19-26

“Then I desired to know the exact meaning of the fourth beast, which was different from all the others, exceedingly dreadful, with its teeth of iron and its claws of bronze, and which devoured, crushed and trampled down the remainder with its feet,

Treasury of Scripture Knowledge

Summary

His legs of iron, his feet part of iron and part of clay.

General references

Bible References

General references

Daniel 2:40
Then there will be a fourth kingdom as strong as iron; inasmuch as iron crushes and shatters all things, so, like iron that breaks in pieces, it will crush and break all these in pieces.
Daniel 7:7
After this I kept looking in the night visions, and behold, a fourth beast, dreadful and terrifying and extremely strong; and it had large iron teeth. It devoured and crushed and trampled down the remainder with its feet; and it was different from all the beasts that were before it, and it had ten horns.