What does iron sharpens iron mean?

Answer: The phrase “iron sharpens iron” is found in Proverbs 27:17: “As iron sharpens iron, so one man sharpens another.” There is mutual benefit in the rubbing of two iron blades together; the edges become sharper, making the knives more efficient in their task to cut and slice. read more

Iron sharpeneth iron — Iron tools are made sharp, and fit for use, by rubbing them against the file, or some other iron; so a man sharpeneth the countenance of his friend — Quickens his ingenuity, enlivens his affections, strengthens his judgment, excites him to virtuous and useful actions, and makes him, in all respects, a better man. read more

Proverbs 27:17 says, "Iron sharpens iron, and one man sharpens another." When iron blades are rubbed together, each becomes sharper and thus more effective. Likewise, when believers are involved in one another's lives, mutual edification occurs. read more