Jerome

The sin of Judah is written with an iron pen, engraved with an adamantium nail, upon the width (or height) of their hearts (or in the depth of their hearts), and upon the horns of their altars (or thrones). Concerning the nations that have turned to the Lord, it has been said: Behold, I will show them in turn, I will show them my hand and my power. Now, speaking of Israel who is rejected: The sin of Judah is written with an iron pen, engraved with an adamantium nail, and so on. …

Commentary on Jeremiah ↗