Mark 8:17
Hearing this Jesus said: Why do you reason about having no bread? Do you not understand? Are your hearts dull of understanding?
Mark 6:52
They had not understood the loaves of bread. Their minds were closed.
Isaiah 63:17
O Jehovah, why do you let us wander from your ways and become so stubborn that we are unable to respect you? Return for the sake of your servants. They are the tribes that belong to you.
Matthew 15:17
Do you not see, that which goes into the mouth, goes into the stomach and is sent out as waste?
Matthew 16:8-9
Hearing this, Jesus said: You of little faith, why are you reasoning among yourselves about not having bread?
Mark 2:8
Jesus immediately discerned in his spirit that they reasoned within themselves. He asked them: Why reason these things in your hearts?
Mark 3:5
He looked at them and was angry. He was also sad on account of their hard hearts. He said to the man: Stretch out your hand. He stretched it out and his hand was healed.
Mark 16:14
Afterward he was revealed to the eleven as they sat at the table. 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
He said to them: You are foolish men. You are slow of heart to believe in all that the prophets have spoken!
John 2:24-25
Jesus did not trust his security to them for he understood all men.
John 16:30
We are sure you know all things and have no need that any man ask you questions. Because of this we believe you came from God.
John 21:17
The third time Jesus said to him: Simon, son of John, do you have affection for me? Peter was grieved. Because he said to him the third time, do you have affection for me? Peter replied: Lord, you know all things; you know I have affection for you! Jesus said to him: Feed my sheep.
Hebrews 4:12-13
The Word of God is alive and active and sharper than any two-edged sword. (Ephesians 6:17) It separates the physical person from the spiritual person, of both joints and marrow. And it can discern (judge) the thoughts and intentions of the heart. (John 12:48)
Hebrews 5:11-12
We have many things to say about him and it is hard to explain it to you, for you are dull of hearing (slow to learn).
Revelation 2:23
I will kill her children with deadly plague. Then all the congregations will know that I am the one who searches hearts and minds. I will reward each of you for what you have done.