I have made your face like hardened iron and like flint. You should not fear them, and you should not have dread before their face. For they are a provoking house.
Other versions
King James Version
As an adamant harder than flint have I made thy forehead: fear them not, neither be dismayed at their looks, though they be a rebellious house.English Standard Version
Like emery harder than flint have I made your forehead. Fear them not, nor be dismayed at their looks, for they are a rebellious house."New International Version
I will make your forehead like the hardest stone, harder than flint. Do not be afraid of them or terrified by them, though they are a rebellious house."