'Heart' in the Bible

So produce fruit that is consistent with repentance [demonstrating new behavior that proves a change of heart, and a conscious decision to turn away from sin];

Blessed are the pure in heart: for they shall see God.

But I say to you that everyone who continues to be angry with his brother or harbors malice against him shall be guilty before the court; and whoever speaks [contemptuously and insultingly] to his brother, ‘Raca (You empty-headed idiot)!’ shall be guilty before the supreme court (Sanhedrin); and whoever says, ‘You fool!’ shall be in danger of the fiery hell.

But I say unto you, That whosoever looketh on a woman to lust after her hath committed adultery with her already in his heart.

For where your treasure is, there will your heart be also.

And they took to him a man stretched on a bed who had no power of moving; and Jesus, seeing their faith, said to the man who was ill, Son, take heart; you have forgiveness for your sins.

But go and take to heart the sense of these words, My desire is for mercy, not offerings: for I have come not to get the upright, but sinners.

But Jesus, turning and seeing her, said, Daughter, take heart; your faith has made you well. And the woman was made well from that hour.

Take my yoke upon you, and learn of me; for I am meek and lowly in heart: and ye shall find rest unto your souls.

O generation of vipers, how can ye, being evil, speak good things? for out of the abundance of the heart the mouth speaketh.

A good man out of the good treasure of the heart bringeth forth good things: and an evil man out of the evil treasure bringeth forth evil things.

For as Jonas was three days and three nights in the whale's belly; so shall the Son of man be three days and three nights in the heart of the earth.

For this people's heart is waxed gross, and their ears are dull of hearing, and their eyes they have closed; lest at any time they should see with their eyes, and hear with their ears, and should understand with their heart, and should be converted, and I should heal them.

When any one heareth the word of the kingdom, and understandeth it not, then cometh the wicked one, and catcheth away that which was sown in his heart. This is he which received seed by the way side.

But straight away Jesus said to them, Take heart; it is I, have no fear.

This people draweth nigh unto me with their mouth, and honoureth me with their lips; but their heart is far from me.

But those things which proceed out of the mouth come forth from the heart; and they defile the man.

For out of the heart proceed evil thoughts, murders, adulteries, fornications, thefts, false witness, blasphemies:

But Jesus called His disciples to Him and said, "My heart yearns over this mass of people, for it is now the third day that they have been with me and they have nothing to eat. I am unwilling to send them away hungry, lest they should faint on the road."

And said, Truly, I say to you, If you do not have a change of heart and become like little children, you will not go into the kingdom of heaven.

And his master’s heart was moved with compassion and he released him and forgave him [canceling] the debt.

So My heavenly Father will also do to you if each of you does not forgive his brother from his heart.”

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.

The boy answered, 'I will not.' But later he had a change of heart and went.

Jesus said unto him, Thou shalt love the Lord thy God with all thy heart, and with all thy soul, and with all thy mind.

But and if that evil servant shall say in his heart, My lord delayeth his coming;