Daniel 2:40 in the King James Version
And the fourth kingdom shall be strong as iron: forasmuch as iron breaketh in pieces and subdueth all things: and as iron that breaketh all these, shall it break in pieces and bruise.
Context
39 “After you, another kingdom will arise that is inferior to you; and another third kingdom of bronze, which will rule over all the earth.
40 The fourth kingdom will be strong as iron, because iron breaks in pieces and subdues all things; and as iron that crushes all these, it will break in pieces and crush.
41 Whereas you saw the feet and toes, part of potters’ clay and part of iron, it will be a divided kingdom; but there will be in it of the strength of the iron, because you saw the iron mixed with miry clay.