Proverbs 11:20
The perverse in heart are an abomination to the LORD, but the blameless in their walk are His delight.

Proverbs 4:24
Put away deception from your mouth; keep your lips from perverse speech.

Proverbs 6:12-14
A worthless person, a wicked man, walks with a perverse mouth, / winking his eyes, speaking with his feet, and pointing with his fingers. / With deceit in his heart he devises evil; he continually sows discord.

Proverbs 8:13
To fear the LORD is to hate evil; I hate arrogant pride, evil conduct, and perverse speech.

Proverbs 10:31-32
The mouth of the righteous brings forth wisdom, but a perverse tongue will be cut out. / The lips of the righteous know what is fitting, but the mouth of the wicked is perverse.

Proverbs 12:22
Lying lips are detestable to the LORD, but those who deal faithfully are His delight.

Proverbs 15:26
The LORD detests the thoughts of the wicked, but the words of the pure are pleasant to Him.

Proverbs 16:28
A perverse man spreads dissension, and a gossip divides close friends.

Proverbs 17:20
The one with a perverse heart finds no good, and he whose tongue is deceitful falls into trouble.

Proverbs 19:1
Better a poor man who walks with integrity than a fool whose lips are perverse.

Proverbs 21:4
Haughty eyes and a proud heart—the guides of the wicked—are sin.

Proverbs 24:8-9
He who plots evil will be called a schemer. / A foolish scheme is sin, and a mocker is detestable to men.

Matthew 5:8
Blessed are the pure in heart, for they will see God.

Matthew 15:18-19
But the things that come out of the mouth come from the heart, and these things defile a man. / For out of the heart come evil thoughts, murder, adultery, sexual immorality, theft, false testimony, and slander.

Matthew 23:25-28
Woe to you, scribes and Pharisees, you hypocrites! You clean the outside of the cup and dish, but inside they are full of greed and self-indulgence. / Blind Pharisee! First clean the inside of the cup and dish, so that the outside may become clean as well. / Woe to you, scribes and Pharisees, you hypocrites! You are like whitewashed tombs, which look beautiful on the outside but on the inside are full of dead men’s bones and every kind of impurity. ...