Cross reference
Proverbs 27:19
19 As `in' water the face `is' to face, So the heart of man to man.
James 1:22-25
22 and become ye doers of the word, and not hearers only, deceiving yourselves,
23 because, if any one is a hearer of the word and not a doer, this one hath been like to a man viewing his natural face in a mirror,
24 for he did view himself, and hath gone away, and immediately he did forget of what kind he was;
25 and he who did look into the perfect law -- that of liberty, and did continue there, this one -- not a forgetful hearer becoming, but a doer of work -- this one shall be happy in his doing.
Genesis 6:5
5 And Jehovah seeth that abundant `is' the wickedness of man in the earth, and every imagination of the thoughts of his heart only evil all the day;
Psalms 33:15
15 Who is forming their hearts together, Who is attending unto all their works.
Mark 7:21
21 for from within, out of the heart of men, the evil reasonings do come forth, adulteries, whoredoms, murders,