Matthew chapter 5, verse 8
Blessed are the pure in heart: for they shall see God.
Matthew chapter 5, verse 28
But I say unto you, That whosoever looks on a woman to lust after her has committed adultery with her already in his heart.
Matthew chapter 6, verse 21
For where your treasure is, there will your heart be also.
Matthew chapter 11, verse 29
Take My yoke upon you, and learn of Me; for I am meek and lowly in heart: and you shall find rest unto your souls.
Matthew chapter 12, verses 34 through 35
O generation of vipers, how can you, being evil, speak good things? for out of the abundance of the heart the mouth speaks a good man out of the good treasure of the heart brings forth good things: and an evil man out of the evil treasure brings forth evil things.
Matthew chapter 12, verse 40
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.
Matthew chapter 13, verse 15
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.
Matthew chapter 13, verse 19
When anyone hears the word of the kingdom and understands it not, then comes the wicked one, and catches away that which was sown in his heart. This is he which received seed by the wayside.
Matthew chapter 15, verse 8
This people draw nigh unto Me with their mouth and honours Me with their lips, but their heart is far from Me.
Matthew chapter 15, verses 18 through 19
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:
Matthew chapter 22, verse 37
Jesus said unto him, you shall love the Lord your God with all your heart, and with all your soul, and with all your mind.
Matthew chapter 24, verse 48
But and if that evil servant shall say in his heart, My lord delays his coming;
Mark chapter 6, verse 52
For they considered not the miracle of the loaves: for their heart was hardened.
Mark chapter 7, verse 6
He answered and said unto them, Well has Esaias prophesied of you hypocrites, as it is written, These people honour Me with their lips, but their heart is far from Me.
Mark chapter 7, verse 19
Because it enters not into his heart, but into the belly, and goes out into the draught, purging all meats?
Mark chapter 7, verse 21
For from within, out of the heart of men, proceed evil thoughts, adulteries, fornications, murders.
Mark chapter 8, verse 17
And when Jesus knew it, he said unto them, Why reason you, because you have no bread? perceive you not yet, neither understand? have you your heart yet hardened?
Mark chapter 10, verse 5
And Jesus answered and said unto them, For the hardness of your heart he wrote you this precept.
Mark chapter 11, verse 23
For verily I say unto you, That whosoever shall say unto this mountain, Be you removed, and be cast into the sea; and shall not doubt in his heart, but shall believe that those things which he says shall come to pass; he shall have whatsoever he says.
Mark chapter 12, verse 30
And you shall love the Lord your God with all your heart, and with all your soul, and with all your mind, and with all your strength: this is the first commandment.
Mark chapter 12, verse 33
And to love him with all the heart, and with all the understanding, and with all the soul, and with all the strength, and to love his neighbour as himself, is more than all whole burnt offerings and sacrifices.
Mark chapter 16, verse 14
Afterwards, Jesus appeared unto the eleven as they sat at meat, and upbraided them with their unbelief and hardness of heart, because they believed not them which had seen Him after He was risen.
Luke chapter 6, verse 45
A good man out of the good treasure of his heart brings forth that which is good; and an evil man out of the evil treasure of his heart brings forth that which is evil: for of the abundance of the heart his mouth speaks.
Luke chapter 8, verse 15
But that on the good ground are they, which in an honest and good heart, having heard the word, keep it, and bring forth fruit with patience.
Luke chapter 9, verse 47
And Jesus, perceiving the thought of their heart, took a child and set him by Him.
Luke chapter 12, verse 34
For where your treasure is, there will your heart be also.
Luke chapter 12, verse 45
But and if that servant say in his heart, My lord delays his coming; and shall begin to beat the menservants and maidens, and to eat and drink, and to be drunken;
Luke chapter 24, verse 25
Then Jesus said unto them fools, and slow of heart to believe all that the prophets have spoken:
John chapter 14, verse 1
Let not your heart be troubled: you believe in God, believe also in Me.
John chapter 14, verse 27
Peace I leave with you, My peace I give unto you: not as the world gives, give I unto you. Let not your heart be troubled, neither let it be afraid.
John chapter 16, verse 6
But because I have said these things unto you, sorrow has filled your heart.
John chapter 16, verse 22
And you now, therefore, have sorrow: but I will see you again, and your heart shall rejoice, and your joy no man takes from you.