Mark 8:17
And as Jesus understood it, he said unto them, Why argue ye because ye have no bread? Do ye not consider nor understand? is your heart yet blind?
Mark 6:52
For they had not yet derived understanding in the loaves, for their hearts were blind.
Isaiah 63:17
O LORD, why hast thou made us to err from thy ways? Hast thou hardened our heart to thy fear? Return for thy slaves, for the tribes of thine inheritance.
Matthew 15:17
Do not ye yet understand that whatever enters in at the mouth goes into the belly and is cast out into the draught?
Matthew 16:8-9
Which when Jesus perceived, he said unto them, O ye of little faith, why reason ye among yourselves that ye have brought no bread?
Mark 2:8
And Jesus, knowing afterward in his spirit that they so reasoned within themselves, said unto them, Why think ye these things in your hearts?
Mark 3:5
And looking round about on them with anger, being grieved for the blindness of their hearts, he said unto the man, Stretch forth thine hand. And he stretched it out and his hand was restored whole as the other.
Mark 16:14
Finally he appeared unto the eleven as they sat at the table and upbraided them for their unbelief and hardness of heart because they did not believe those who had seen him after he was risen.
Luke 24:25
Then he said unto them, O fools, and slow of heart to believe all that the prophets have spoken;
John 2:24-25
But Jesus did not trust himself unto them because he knew all men
John 16:30
Now we understand that thou knowest all things and needest not that anyone should ask thee; by this we believe that thou didst come forth from God.
John 21:17
He said unto him the third time, Simon, son of Jonas, lovest thou me? Peter was grieved because he said unto him the third time, Lovest thou me? And he said, Lord, thou knowest all things; thou knowest that I love thee. Jesus said unto him, Feed my sheep.
Hebrews 4:12-13
For the word of God is alive and efficient and sharper than any twoedged sword, piercing even to the dividing asunder of soul and spirit, and of the joints and marrow, and is a discerner of the thoughts and intents of the heart.
Hebrews 5:11-12
Of whom we have many things to say and difficult to declare, seeing ye are hard of hearing.
Revelation 2:23
And I will kill her children with death, and all the congregations shall know that I AM he that searches the kidneys and hearts, and I will give unto each one of you according to your works.