Exodus 9:7
And Pharaoh sent to wete: but there was not one of the cattle of the Israelites dead. Notwithstanding, the heart of Pharaoh hardened, and he would not let the people go.
Exodus 7:14
Then said the LORD unto Moses, "Pharaoh's heart is hardened, and he refuseth to let the people go.
Exodus 8:32
But for all that, Pharaoh hardened his heart even then also and would not let the people go.
Exodus 9:12
But the LORD hardened the heart of Pharaoh, that he hearkened not unto them, as the LORD had said unto Moses.
Job 9:4
He is wise of heart, and mighty in strength. Who ever prospered that took part against him?
Proverbs 29:1
He that is stiff necked and will not be reformed, shall suddenly be destroyed without any help.
Isaiah 48:4
Howbeit, I knew that thou art obstinate, and that thy neck hath an iron vein, and thy brow is of brass.
Daniel 5:20
But because his heart was so proud, and his stomach set so fast unto wilfulness: he was deposed from his kingly throne, and his majesty was taken from him.
Romans 9:18
So hath he mercy on whom he will. And whom he will, he maketh hard hearted.