Cross-references Explore similar Bible verses on Mark 6:52 in English Standard Version "for they did not understand about the loaves, but their hearts were hardened." Mr 3:5 And he looked around at them with anger, grieved at their hardness of heart, and said to the man, “Stretch out your hand.” He stretched it out, and his hand was restored. Mr 8:17 And Jesus, aware of this, said to them, “Why are you discussing the fact that you have no bread? Do you not yet perceive or understand? Are your hearts hardened? Joh 12:40 “He has blinded their eyes and hardened their heart, lest they see with their eyes, and understand with their heart, and turn, and I would heal them.” Ro 11:7 What then? Israel failed to obtain what it was seeking. The elect obtained it, but the rest were hardened, 2Co 3:14 But their minds were hardened. For to this day, when they read the old covenant, that same veil remains unlifted, because only through Christ is it taken away.