Matthew 12:34-36
"Broods of vipers! how can ye speak good things, being yourselves evil? For, out of the abundance of the heart, the mouth speaks.
Matthew 15:19
For out of the heart come forth evil thoughts, murders, adulteries, fornications, thefts, false-witnessings, blasphemies:
Matthew 23:13
"But woe to you, scribes and Pharisees, hypocrites! because you shut up the Kingdom of Heaven against men; for ye do not enter, neither do ye suffer those who are entering in to enter.
Acts 5:3-4
But Peter said, "Ananias, why did Satan fill your heart, that you should lie to the Holy Spirit, and keep back part of the price of the land?
Acts 8:21-22
You have no part nor lot in this matter; for your heart is not right before God.
James 1:14-15
But each one is tempted, when by his own desire he is drawn away and enticed.
James 1:27
A religion, pure and undefiled with our God and Father, is this: to visit orphans and widows in their tribulation, 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 small a fire kindles how great a forest!