Ezekiel 3:9
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.
Cross-reference
Ezekiel 3:27 continues the commission: the hardened resolve from 3:9 enables fearless proclamation to the rebellious people.
Ezekiel 2:6 commands 'do not be afraid' — here God gives Ezekiel a forehead harder than flint to make that command possible.
Ezekiel 12:2 describes the same rebellious audience with eyes but not seeing, reinforcing why God hardened Ezekiel's forehead in 3:9.
Ezekiel 17:12 again addresses 'this rebellious people,' the same audience Ezekiel was hardened to confront in 3:9.
Ezekiel 24:3 commands speaking to 'this rebellious people,' consistent with the commission that required hardened resolve in 3:9.
Ezekiel 44:6 again addresses the 'rebellious house' — showing the persistent rebellion Ezekiel was sent to confront.
Isaiah 50:7 says 'I set my face like a flint' — the same metaphor of determined resolve, here applied to the Servant, there to Ezekiel.
Micah 3:8 says he is filled with power to declare Jacob's sin — similar empowerment for confronting rebellion, though different imagery.
Jeremiah 1:18 parallels God making Jeremiah a fortified city—both prophets receive divine hardness to withstand opposition.
Jeremiah 15:20 echoes divine strengthening as a bronze wall, just as Ezekiel's forehead is made like flint against opposition.
In Acts 18:9, the Lord tells Paul not to fear and to keep speaking — a direct parallel to God's assurance to Ezekiel.
Zechariah 7:12 describes Israel making their hearts hard as diamond against God's law — a reverse image of Ezekiel's divinely hardened face for obedience.
In 1 Peter 3:14, believers are told not to fear threats — echoing the same command given to Ezekiel facing opposition.