'Hearts' in the Bible

John came, and gave baptism in the waste land, preaching baptism as a sign of forgiveness of sin for those whose hearts were changed.

And saying, The time has come, and the kingdom of God is near: let your hearts be turned from sin and have faith in the good news.

But there were certain of the scribes sitting there, and reasoning in their hearts,

And immediately when Jesus perceived in his spirit that they so reasoned within themselves, he said unto them, Why reason ye these things in your hearts?

And when he had looked round about on them with anger, being grieved for the hardness of their hearts, he saith unto the man, Stretch forth thine hand. And he stretched it out: and his hand was restored whole as the other.

And these are they by the way side, where the word is sown; but when they have heard, Satan cometh immediately, and taketh away the word that was sown in their hearts.

And these are they who were planted on the good earth; such as give ear to the word, and take it into their hearts, and give fruit, thirty and sixty and a hundred times as much.

because they had not understood about 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.

For from within, out of people’s hearts, come evil thoughts, sexual immoralities, thefts, murders,

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?

But Jesus told them, “He wrote this command for you because of the hardness of your hearts.

And whenever you make a prayer, let there be forgiveness in your hearts, if you have anything against anyone; so that you may have forgiveness for your sins from your Father who is in heaven.

Are we to give or not to give? But he, conscious of their false hearts, said to them, Why do you put me to the test? give me a penny, so that I may see it.

And later he was seen by the eleven themselves while they were taking food; and he said sharp words to them because they had no faith and their hearts were hard, and because they had no belief in those who had seen him after he had come back from the dead.