Exodus 9:12

And Jehovah strengtheneth the heart of Pharaoh, and he hath not hearkened unto them, as Jehovah hath spoken unto Moses.

Exodus 4:21

And Jehovah saith unto Moses, 'In thy going to turn back to Egypt, see -- all the wonders which I have put in thy hand -- that thou hast done them before Pharaoh, and I -- I strengthen his heart, and he doth not send the people away;

Exodus 7:13-14

and the heart of Pharaoh is strong, and he hath not hearkened unto them, as Jehovah hath spoken.

Psalm 81:11-12

But, My people hearkened not to My voice, And Israel hath not consented to Me.

Revelation 16:10-11

And the fifth messenger did pour out his vial upon the throne of the beast, and his kingdom did become darkened, and they were gnawing their tongues from the pain,

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