Matthew 12:34-36
Generation of vipers, how can you, being evil, speak good things? For out of the abundance of the heart, the mouth speaks.
Matthew 15:19
For from the heart come evil reasonings, murders, adulteries, lewd actions, thefts, false testimonies, impious words.
Matthew 23:13
But alas for you, scribes and Pharisees, hypocrites! for you eat up the houses of widows, and for a pretext make long prayers. For this reason, you shall receive the greater condemnation.
Acts 5:3-4
But Peter said: Ananias, why has Satan filled your heart, that you should at tempt to deceive the Holy Spirit, and keep back part of the price of the land?
Acts 8:21-22
You have neither part nor share in this matter; for your heart is not right in the sight of God.
James 1:14-15
But every one is tempted when he is drawn away by his own desire, and is deluded.
James 1:27
Religion, pure and undefiled before God and the Father, is this: To visit the fatherless and widows in their affliction, and to keep himself unspotted from the world.
James 3:5-6
So, also, the tongue is a little member, and boasts great things. Behold, how great a forest does a little fire set in a blaze.