NT-GOSPEL.filter - mkjv hardened:

mkjv@Mark:6:52 @ For they did not understand [the miracle] of the loaves, for their hearts were hardened.

mkjv@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?

mkjv@John:12:40 @ He has blinded their eyes and hardened their heart, so that they should not see with [their] eyes nor understand with [their] heart, and be converted, and I should heal them.