Bible Verses About Reproof: Hardness of heart

Yeshua, perceiving it, said to them, “Why do you reason that it’s because you have no bread? Don’t you perceive yet, neither understand? Is your heart still hardened?

Afterward he was revealed to the Eleven themselves as they sat at the table, and he rebuked them for their unbelief and hardness of heart, because they didn’t believe those who had seen him after he had risen.