I will make your forehead like a diamond, harder than flint. Do not be afraid of them or dismayed at their presence, even though they are a rebellious house."

Isaiah 50:7
Because the Lord GOD helps Me, I have not been disgraced; therefore I have set My face like flint, and I know that I will not be put to shame.

Jeremiah 15:20
Then I will make you a wall to this people, a fortified wall of bronze; they will fight against you but will not overcome you, for I am with you to save and deliver you, declares the LORD.

Ezekiel 2:6
But you, son of man, do not be afraid of them or their words. Do not be afraid, though briers and thorns surround you, and you dwell among scorpions. Do not be afraid of their words or dismayed by their presence, though they are a rebellious house.

Ezekiel 3:8
Behold, I will make your face as hard as their faces, and your forehead as hard as their foreheads.

Ezekiel 3:10
"Son of man," He added, "listen carefully to all the words I speak to you, and take them to heart.

Ezekiel 44:6
Tell the rebellious house of Israel that this is what the Lord GOD says: 'I have had enough of all your abominations, O house of Israel.

Zechariah 7:12
They made their hearts like flint and would not listen to the law or to the words that the LORD of Hosts had sent by His Spirit through the earlier prophets. Therefore great anger came from the LORD of Hosts.

As an adamant harder than flint have I made your forehead: fear them not, neither be dismayed at their looks, though they be a rebellious house.