Jeremiah 17:1

Expanded Bible

17 “The sin of Judah is written with an iron ·tool [^Lpen].
    Their sins were cut with a ·hard [^Ldiamond] point into the ·stone that is [^Ltablet of] their hearts.
    Their sins were cut into the ·corners [^Lhorns] of their altars [Ex. 27:2].