'Heart' in the Bible

"How blessed are those who are pure in heart, because it is they who will see God!

But I say to you, anyone who stares at a woman with lust for her has already committed adultery with her in his heart.

because where your treasure is, there your heart will be also."

You children of serpents! How can you say anything good when you are evil? The mouth speaks about what overflows from the heart.

because just as Jonah was in the stomach of the sea creature for three days and three nights, so the Son of Man will be in the heart of the earth for three days and three nights.

for this people's heart has become dull, and their ears are hard of hearing. They have shut their eyes so that they might not see with their eyes, and hear with their ears, and understand with their heart and turn, and I would heal them.'

When anyone hears the word about the kingdom yet doesn't understand it, the evil one comes and snatches away what was sown in his heart. This is what was sown along the path.

But the things that come out of the mouth come from the heart, and it is those things that make a person unclean.

It is out of the heart that evil thoughts come, as well as murder, adultery, sexual immorality, stealing, false testimony, and slander.

He told them, "It was because of your hardness of heart that Moses allowed you to divorce your wives. But from the beginning it was not this way.

Jesus told him, ""You must love the Lord your God with all your heart, with all your soul, and with all your mind.'