For I knew that you are stubborn, and that your neck is like an iron sinew, and that your forehead is like brass
Other versions
King James Version
Because I knew that thou art obstinate, and thy neck is an iron sinew, and thy brow brass; English Standard Version
Because I know that you are obstinate, and your neck is an iron sinew and your forehead brass,New International Version
For I knew how stubborn you were; the sinews of your neck were iron, your forehead was bronze.