Ezekiel 3:9

9I have made your forehead harder than flint – like diamond!
The Hebrew term translated “diamond” is parallel to “iron” in Jer 17:1. The Hebrew uses two terms which are both translated at times as “flint,” but here one is clearly harder than the other. The translation “diamond” attempts to reflect this distinction in English.
Do not fear them or be terrified of the looks they give you,
Heb “of their faces.”
for they are a rebellious house.”

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