Proverbs 27:19

As in water face [is] to face, so the heart of a man [is] to a man.

Genesis 6:5

And LORD saw that the wickedness of man was great on the earth, and that every imagination of the thoughts of his heart was only evil continually.

Psalm 33:15

he who fashions the hearts of them all, who considers all their works.

Mark 7:21

For from inside the heart of men proceed evil thoughts, adulteries, fornications, murders, thefts,

James 1:22-25

But become ye doers of the word, and not hearers only, deceiving yourselves.

Treasury of Scripture Knowledge

Summary

As in water face answereth to face, so the heart of man to man.

Bible References

In

James 1:22
But become ye doers of the word, and not hearers only, deceiving yourselves.

So

Genesis 6:5
And LORD saw that the wickedness of man was great on the earth, and that every imagination of the thoughts of his heart was only evil continually.
Psalm 33:15
he who fashions the hearts of them all, who considers all their works.
Mark 7:21
For from inside the heart of men proceed evil thoughts, adulteries, fornications, murders, thefts,