The heart is deceitful above all things and beyond cure. Who can understand it?

Matthew 13:15
For this people's heart has grown callous; they hardly hear with their ears, and they have closed their eyes. Otherwise they might see with their eyes, hear with their ears, understand with their hearts, and turn, and I would heal them.'

Mark 2:17
On hearing this, Jesus told them, "It is not the healthy who need a doctor, but the sick. I have not come to call the righteous, but sinners."

Mark 7:21
For from within the hearts of men come evil thoughts, sexual immorality, theft, murder, adultery,

Mark 7:22
greed, wickedness, deceit, debauchery, envy, slander, arrogance, and foolishness.

Romans 1:21
For although they knew God, they neither glorified Him as God nor gave thanks to Him, but they became futile in their thinking and darkened in their foolish hearts.

Romans 7:11
For sin, seizing its opportunity through the commandment, deceived me and through the commandment put me to death.

Ephesians 4:22
to put off your former way of life, your old self, which is being corrupted by its deceitful desires;

Genesis 8:21
When the LORD smelled the pleasing aroma, He said in His heart, "Never again will I curse the ground because of man, even though every inclination of his heart is evil from his youth. And never again will I destroy all living creatures as I have done.

2 Samuel 11:15
In the letter he wrote: "Put Uriah at the front of the fiercest battle; then withdraw from him, so that he may be struck down and killed."

Ecclesiastes 9:3
This is an evil in everything that is done under the sun: There is one fate for everyone. Furthermore, the hearts of men are full of evil and madness while they are alive, and afterward they join the dead.

Isaiah 1:5
Why do you want more beatings? Why do you keep rebelling? Your head has a massive wound, and your whole heart is afflicted.

Isaiah 1:6
From the sole of your foot to the top of your head, there is no soundness--only wounds and welts and festering sores neither cleansed nor bandaged nor soothed with oil.

Isaiah 6:10
Make the hearts of this people calloused; deafen their ears and close their eyes. Otherwise they might see with their eyes, hear with their ears, understand with their hearts, and turn and be healed."

The heart is deceitful above all things, and desperately wicked: who can know it?