Isaiah 48:4 KJV
Because I knew that thou art obstinate, and thy neck is an iron sinew, and thy brow brass;
Isaiah 48:2–6 KJV Chapter Context
2
For they call themselves of the holy city, and stay themselves upon the God of Israel; The LORD of hosts is his name.
3
I have declared the former things from the beginning; and they went forth out of my mouth, and I shewed them; I did them suddenly, and they came to pass.
4
Because I knew that thou art obstinate, and thy neck is an iron sinew, and thy brow brass;
5
I have even from the beginning declared it to thee; before it came to pass I shewed it thee: lest thou shouldest say, Mine idol hath done them, and my graven image, and my molten image, hath commanded them.
6
Thou hast heard, see all this; and will not ye declare it? I have shewed thee new things from this time, even hidden things, and thou didst not know them.