Exodus 7:14 - And the LORD said unto Moses, Pharaoh's heart is hardened, he refuseth to let the people go. (Verses like Exodus 7:14)
Exodus 8:32 - And Pharaoh hardened his heart at this time also, neither would he let the people go. (Verses like Exodus 8:32)
Exodus 9:12 - And the LORD hardened the heart of Pharaoh, and he hearkened not unto them; as the LORD had spoken unto Moses. (Verses like Exodus 9:12)
Job 9:4 - He is wise in heart, and mighty in strength: who hath hardened himself against him, and hath prospered? (Verses like Job 9:4)
Proverbs 29:1 - He, that being often reproved hardeneth his neck, shall suddenly be destroyed, and that without remedy. (Verses like Proverbs 29:1)
Isaiah 48:4 - Because I knew that thou art obstinate, and thy neck is an iron sinew, and thy brow brass; (Verses like Isaiah 48:4)
Daniel 5:20 - But when his heart was lifted up, and his mind hardened in pride, he was deposed from his kingly throne, and they took his glory from him: (Verses like Daniel 5:20)
Romans 9:18 - Therefore hath he mercy on whom he will have mercy, and whom he will he hardeneth. (Verses like Romans 9:18)