Isaiah 48:4

English Standard Version

4 Because I know that you are obstinate, and your neck is an iron sinew and your forehead brass, (Ex 32:9)

New International Version

4 For I knew how stubborn you were; your neck muscles were iron, your forehead was bronze.

New International Reader’s Version

4 I knew how stubborn you were. Your neck muscles were as unbending as iron. Your forehead was as hard as bronze.

King James Version

4 Because I knew that thou art obstinate, and thy neck is an iron sinew, and thy brow brass;