James Strong - Słownik Języka Greckiego

For they considered not the miracle of the loaves: for their heart was hardened.^G4456
KJV Mar 6:52

And when Jesus knew it, he saith unto them, Why reason ye, because ye have no bread? perceive ye not yet, neither understand? have ye your heart yet hardened?^G4456
KJV Mar 8:17

He hath blinded their eyes, and hardened^G4456 their heart; that they should not see with their eyes, nor understand with their heart, and be converted, and I should heal them.
KJV Jan 12:40

What then? Israel hath not obtained that which he seeketh for; but the election hath obtained it, and the rest were blinded
KJV Rzym 11:7

But their minds were blinded:^G4456 for until this day remaineth the same vail untaken away in the reading of the old testament; which vail is done away in Christ.
KJV 2 Kor 3:14