Mark 8:17
And knowing it, Jesus said to them, Why do you reason that it is because you have no loaves? Do you not yet perceive nor understand? Have you still hardened your heart?
Mark 6:52
For they did not understand the miracle of the loaves, for their hearts were hardened.
Isaiah 63:17
O Jehovah, why have You made us wander from Your ways. You harden our heart from Your fear? For Your servants' sake, return the tribes of Your inheritance.
Matthew 15:17
Do you not yet understand that whatever enters in at the mouth goes into the belly, and is cast out into the waste-bowl?
Matthew 16:8-9
And knowing Jesus said to them, Why do you reason among yourselves because you took no loaves, little-faiths?
Mark 2:8
And instantly knowing in His spirit that they reasoned so within themselves, He said to them, Why do you reason these things in your heart?
Mark 3:5
And looking around on them with anger, being grieved because of the hardness of their hearts, He said to the man, Stretch out your hand! And he stretched it out. And his hand was restored whole, like the other.
Mark 16:14
Afterward He appeared to the Eleven as they reclined. And He reproached 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 fools and slow of heart to believe all things that the prophets spoke!
John 2:24-25
But Jesus did not commit Himself to them, because He knew all
John 16:30
Now we know that You know all things and do not need that anyone should ask You. By this we believe that You have come forth from God.
John 21:17
He said to him the third time, Simon, son of Jonah, do you love Me? Peter was grieved because He said to him a 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 powerful and sharper than any two-edged sword, piercing even to the dividing apart 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 much to say, and hard to be explained since you are dull of hearing.
Revelation 2:23
And I will kill her children with death. And all the churches will know that I am He who searches the reins and hearts, and I will give to every one of you according to your works.