Matthew 12:34-36
O ye generations of vipers, how are you, being evil, able to speak good things? for out of the abundance of the heart the mouth speaks.
Matthew 15:19
For out of the heart proceed evil reasonings, murders, fornications, adulteries, thefts, false testimonies, blasphemies.
Matthew 23:13
But woe unto you, scribes and Pharisees, hypocrites! because you shut up the kingdom of the heavens against the people: for you do not go in, neither do you permit those coming in to enter.
Acts 5:3-4
But Peter said, Ananias, wherefore hath Satan filled thy heart to lie to the Holy Ghost, and keep back a part from the price of the land?
Acts 8:21-22
There is neither part nor lot to thee in this word: for thy heart is not right before God.
James 1:14-15
but each one is tempted by his own lusts, being drawn out, and enticed.
James 1:27
Pure religion and undefiled with God even the Father is this, to relieve the orphans and widows in their affliction, and keep himself unspotted from the world.
James 3:5-6
so also the tongue is a little member, and it boasts great things. Behold, how great a wood a little fire kindles!