9 Bible Verses about Things Like Iron

And thy heavens which are over thy head shall be brass, and the earth which is under thee, iron.

Because I knew that thou art obstinate, and thy neck is an iron sinew, and thy brow brass,

Iron and brass shall be thy bolts; And thy rest as thy days.

And I, behold, I appoint thee this day as a strong city, and an iron pillar, and brazen walls, against the whole land; against the kings of Judah, against its princes, against its priests, and against the people of the land.

Arise and thresh, daughter of Zion, for I will make thy horn iron, and I will make thy hoofs brass; and thou shalt beat in pieces many peoples; and I will devote their gain to Jehovah, and their substance to the Lord of the whole earth.

and they had breastplates as breastplates of iron, and the sound of their wings was as the sound of chariots of many horses running to war;

And the fourth kingdom shall be strong as iron: forasmuch as iron breaketh in pieces and subdueth everything, and as iron that breaketh all these, so shall it break in pieces and bruise.

And whereas thou sawest the feet and toes, part of potter's clay, and part of iron, the kingdom shall be divided; but there shall be in it of the strength of the iron, forasmuch as thou sawest the iron mixed with miry clay.

Iron is sharpened by iron; so a man sharpeneth the countenance of his friend.