Matthew 12:34-35; Matthew 15:18; Luke 6:45; Psalms 73:7-8; Ephesians 4:29; John 8:38-44; Matthew 12:34; Matthew 13:15; Acts 13:10; 2 Corinthians 11:3; 1 John 3:7-10

Matthew 12:34-35

34 "You brood of vipers, how can you, being evil, speak what is good? For the mouth speaks out of that which fills the heart.

35 "The good man brings out of his good treasure what is good; and the evil man brings out of his evil treasure what is evil.

Matthew 15:18

18 "But the things that proceed out of the mouth come from the heart, and those defile the man.

Luke 6:45

45 "The good man out of the good treasure of his heart brings forth what is good; and the evil man out of the evil treasure brings forth what is evil; for his mouth speaks from that which fills his heart.

Psalms 73:7-8

7 Their eye bulges from fatness; The imaginations of their heart run riot.

8 They mock and wickedly speak of oppression; They speak from on high.

Ephesians 4:29

29 Let no unwholesome word proceed from your mouth, but only such a word as is good for edification according to the need of the moment, so that it will give grace to those who hear.

John 8:38-44

38 "I speak the things which I have seen with My Father; therefore you also do the things which you heard from your father."

39 They answered and said to Him, "Abraham is our father." Jesus said to them, "If you are Abraham's children, do the deeds of Abraham.

40 "But as it is, you are seeking to kill Me, a man who has told you the truth, which I heard from God; this Abraham did not do.

41 "You are doing the deeds of your father." They said to Him, "We were not born of fornication; we have one Father: God."

42 Jesus said to them, "If God were your Father, you would love Me, for I proceeded forth and have come from God, for I have not even come on My own initiative, but He sent Me.

43 "Why do you not understand what I am saying? It is because you cannot hear My word.

44 "You are of your father the devil, and you want to do the desires of your father. He was a murderer from the beginning, and does not stand in the truth because there is no truth in him. Whenever he speaks a lie, he speaks from his own nature, for he is a liar and the father of lies.

Matthew 12:34

34 "You brood of vipers, how can you, being evil, speak what is good? For the mouth speaks out of that which fills the heart.

Matthew 13:15

15 FOR THE HEART OF THIS PEOPLE HAS BECOME DULL, WITH THEIR EARS THEY SCARCELY HEAR, AND THEY HAVE CLOSED THEIR EYES, OTHERWISE THEY WOULD SEE WITH THEIR EYES, HEAR WITH THEIR EARS, AND UNDERSTAND WITH THEIR HEART AND RETURN, AND I WOULD HEAL THEM.'

Acts 13:10

10 and said, "You who are full of all deceit and fraud, you son of the devil, you enemy of all righteousness, will you not cease to make crooked the straight ways of the Lord ?

2 Corinthians 11:3

3 But I am afraid that, as the serpent deceived Eve by his craftiness, your minds will be led astray from the simplicity and purity of devotion to Christ.

1 John 3:7-10

7 Little children, make sure no one deceives you; the one who practices righteousness is righteous, just as He is righteous;

8 the one who practices sin is of the devil; for the devil has sinned from the beginning. The Son of God appeared for this purpose, to destroy the works of the devil.

9 No one who is born of God practices sin, because His seed abides in him; and he cannot sin, because he is born of God.

10 By this the children of God and the children of the devil are obvious: anyone who does not practice righteousness is not of God, nor the one who does not love his brother.