Proverbs 27:19
As in water the face is reflected as a face, so a person's heart reflects the person.
Genesis 6:5
But the Lord saw that the wickedness of humankind had become great on the earth. Every inclination of the thoughts of their minds was only evil all the time.
Psalm 33:15
He is the one who forms every human heart, and takes note of all their actions.
Mark 7:21
For from within, out of the human heart, come evil ideas, sexual immorality, theft, murder,
James 1:22-25
But be sure you live out the message and do not merely listen to it and so deceive yourselves.