Jeremiah 17:9

The heart is a twisted thing, not to be searched out by man: who is able to have knowledge of it?

Ecclesiastes 9:3

This is evil in all things which are done under the sun: that there is one fate for all, and the hearts of the sons of men are full of evil; while they have life their hearts are foolish, and after that--to the dead.

Mark 7:21-22

Because from inside, from the heart of men, come evil thoughts and unclean pleasures,

Genesis 8:21

And when the sweet smell came up to the Lord, he said in his heart, I will not again put a curse on the earth because of man, for the thoughts of man's heart are evil from his earliest days; never again will I send destruction on all living things as I have done.

Psalm 51:5

Truly, I was formed in evil, and in sin did my mother give me birth.

Jeremiah 16:12

And you have done worse evil than your fathers; for see, every one of you is guided by the pride of his evil heart, so as not to give ear to me:

Genesis 6:5

And the Lord saw that the sin of man was great on the earth, and that all the thoughts of his heart were evil.

Job 15:14-16

What is man, that he may be clean? and how may the son of woman be upright?

Psalm 53:1-3

The foolish man has said in his heart, God will not do anything. They are unclean, they have done evil works; there is not one who does good.

Proverbs 28:26

He whose faith is in himself is foolish; but everyone walking wisely will be kept safe.

Matthew 13:15

For the heart of this people has become fat and their ears are slow in hearing and their eyes are shut; for fear that they might see with their eyes and give hearing with their ears and become wise in their hearts and be turned again to me, so that I might make them well.

Matthew 15:19

For out of the heart come evil thoughts, the taking of life, broken faith between the married, unclean desires of the flesh, taking of property, false witness, bitter words:

James 1:14-15

But every man is tested when he is turned out of the right way by the attraction of his desire.

Hebrews 3:12

My brothers, take care that there is not by chance in any one of you an evil heart without belief, turning away from the living God:

Treasury of Scripture Knowledge did not add

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain