'Hearts' in the Bible

Jesus looked around at them in anger, deeply hurt because of their hard hearts. Then he told the man, "Hold out your hand." The man held it out, and his hand was restored to health.

because they didn't understand the significance of the loaves. Instead, their hearts were hardened.

He told them, "Isaiah was right when he prophesied about you hypocrites. As it is written, "These people honor me with their lips, but their hearts are far from me.

Knowing this, Jesus asked them, "Why are you discussing the fact that you don't have any bread? Don't you understand or perceive yet? Are your hearts hardened?