The sin of Judah is written with a pen of iron, and with the point of a diamond: it is graven upon the table of their heart, and upon the horns of your altars;
Jeremiah 17:1
King James Version (public domain)
Traditionally attributed to Jeremiah · c. 7th–6th century BC · Major prophet of Judah
Context
1The sin of Judah is written with a pen of iron, and with the point of a diamond: it is graven upon the table of their heart, and upon the horns of your altars;
2Whilst their children remember their altars and their groves by the green trees upon the high hills.
3O my mountain in the field, I will give thy substance and all thy treasures to the spoil, and thy high places for sin, throughout all thy borders.