1 Samuel 6: 6
Wherefore then do ye harden your hearts, as the Egyptians and Pharaoh hardened their hearts? when he had wrought wonderfully among them, did they not let the people go, and they departed?
Psalms 95: 7
For he is our God; and we are the people of his pasture, and the sheep of his hand. To day if ye will hear his voice,
Psalms 95: 8
Harden not your heart, as in the provocation, and as in the day of temptation in the wilderness:
Hebrews 3: 8
Harden not your hearts, as in the provocation, in the day of temptation in the wilderness:
Hebrews 4: 7
Again, he limiteth a certain day, saying in David, To day, after so long a time; as it is said, To day if ye will hear his voice, harden not your hearts.