Cross reference
Proverbs 27:19
19 As in water face `answereth' to face, So the heart of man to man.
James 1:22-25
22 But be ye doers of the word, and not hearers only, deluding your own selves.
23 For if any one is a hearer of the word and not a doer, he is like unto a man beholding his natural face in a mirror:
24 for he beholdeth himself, and goeth away, and straightway forgetteth what manner of man he was.
25 But he that looketh into the perfect law, the `law' of liberty, and `so' continueth, being not a hearer that forgetteth but a doer that worketh, this man shall be blessed in his doing.
Genesis 6:5
5 And Jehovah saw that the wickedness of man was great in the earth, and that every imagination of the thoughts of his heart was only evil continually.
Psalms 33:15
15 He that fashioneth the hearts of them all, That considereth all their works.
Mark 7:21
21 For from within, out of the heart of men, evil thoughts proceed, fornications, thefts, murders, adulteries,