Mark 6:52
For they did not understand concerning the loaves, for their heart was hardened.
Mark 3:5
And looking round on them with indignation, being grieved over the hardness of their hearts, He says to the man; Reach forth thy hand. And he reached it forth and it was restored.
Mark 8:17-21
And Jesus knowing says to them, Why do you reason because you have not bread? do you not yet know, nor understand? have you your heart still hardened?
Matthew 16:9-11
Do you not yet understand? do you not remember the five loaves of the five thousand, and how many baskets ye took up?
Mark 7:18
And He says to them, Are you still without understanding? Do you not know that everything external entering into a man is not able to defile him?
Mark 16:14
OMITTED TEXT
Luke 24:25
And He said to them, O ye foolish, and slow in heart to believe in all those things which the prophet spoke!
Romans 11:7
What then? Israel did not attain that which he was seeking, but the election obtained it, and the rest were hardened: