Mark 8:17
Being aware of it, Jesus said to them, "Why do you discuss the fact that you have no bread? Do you not yet perceive or understand? Are your hearts hardened?
Mark 6:52
for they had not understood about the loaves, because their hearts were hardened.
Matthew 15:17
Do you not yet see that whatever enters the mouth goes into the stomach and is eliminated?
Matthew 16:8-9
But Jesus, aware of this, said, "O men of little faith, why do you discuss among yourselves the fact that you have no bread?
Mark 2:8
And immediately, when Jesus perceived in his spirit that they reasoned thus within themselves, he said to them, "Why do you reason about these things in your hearts?
Mark 3:5
And he looked around at them with anger, grieved at the hardness of their hearts, and said to the man, "Stretch out your hand." He stretched it out, and his hand was restored.
Mark 16:14
Later he appeared to the eleven as they sat at the table; and he rebuked them for their unbelief and hardness of heart, because they did not believe those who had seen him after he had risen.
Luke 24:25
And he said to them, "O foolish men, and slow of heart to believe all that the prophets have spoken!
John 2:24-25
But Jesus did not trust himself to them, because he knew all men,
John 16:30
Now we are sure that you know all things, and have no need for anyone to question you. By this 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 all things; 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 even to the division of soul and spirit, of joints and marrow, and discerning the thoughts and intentions of the heart.
Hebrews 5:11-12
About this we have much to say which 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 shall know that I am he who searches minds and hearts, and I will give to each of you according to your works.