Jeremiah 15:12 in the King James Version
Shall iron break the northern iron and the steel?
Context
11 The LORD said, “Most certainly I will strengthen you for good. Most certainly I will cause the enemy to make supplication to you in the time of evil and in the time of affliction.
12 Can one break iron, even iron from the north, and bronze?
13 I will give your substance and your treasures for a plunder without price, and that for all your sins, even in all your borders.