Mark 8:17
And Jesus, aware of this, said to them, "Why are you discussing the fact that you have no bread? Do you not yet perceive or understand? Are your hearts hardened?
Mark 6:52
for they did not understand about the loaves, but their hearts were hardened.
Isaiah 63:17
O LORD, why do you make us wander from your ways and harden our heart, so that we fear you not? Return for the sake of your servants, the tribes of your heritage.
Matthew 15:17
Do you not see that whatever goes into the mouth passes into the stomach and is expelled?
Matthew 16:8-9
But Jesus, aware of this, said, "O you of little faith, why are you discussing among yourselves the fact that you have no bread?
Mark 2:8
And immediately Jesus, perceiving in his spirit that they thus questioned within themselves, said to them, "Why do you question these things in your hearts?
Mark 3:5
And he looked around at them with anger, grieved at their hardness of heart, and said to the man, "Stretch out your hand." He stretched it out, and his hand was restored.
Mark 16:14
Afterward he appeared to the eleven themselves as they were reclining at table, and he rebuked them for their unbelief and hardness of heart, because they had not believed those who saw him after he had risen.
Luke 24:25
And he said to them, "O foolish ones, and slow of heart to believe all that the prophets have spoken!
John 2:24-25
But Jesus on his part did not entrust himself to them, because he knew all people
John 16:30
Now we know that you know all things and do not need anyone to question you; this is why we believe that you came from God."
John 21:17
He said to him the third time, "Simon, son of John, do you love me?" Peter was grieved because he said to him the third time, "Do you love me?" and he said to him, "Lord, you know everything; you know that I love you." Jesus said to him, "Feed my sheep.
Hebrews 4:12-13
For the word of God is living and active, sharper than any two-edged sword, piercing to the division of soul and of spirit, of joints and of marrow, and discerning the thoughts and intentions of the heart.
Hebrews 5:11-12
About this we have much to say, and it is hard to explain, since you have become dull of hearing.
Revelation 2:23
and I will strike her children dead. And all the churches will know that I am he who searches mind and heart, and I will give to each of you according to your works.