Matthew 12:34-35; Proverbs 4:23; Psalms 45:1; Matthew 15:18; Luke 6:45; Psalms 73:7-8; Ephesians 4:29

Matthew 12:34-35

34 You brood of vipers, how can you who are evil say anything good? For the mouth speaks what the heart is full of.

35 A good man brings good things out of the good stored up in him, and an evil man brings evil things out of the evil stored up in him.

Proverbs 4:23

23 Above all else, guard your heart, for everything you do flows from it.

Psalms 45:1

1 My heart is stirred by a noble theme as I recite my verses for the king; my tongue is the pen of a skillful writer.

Matthew 15:18

18 But the things that come out of a person’s mouth come from the heart, and these defile them.

Luke 6:45

45 A good man brings good things out of the good stored up in his heart, and an evil man brings evil things out of the evil stored up in his heart. For the mouth speaks what the heart is full of.

Psalms 73:7-8

7 From their callous hearts comes iniquity ; their evil imaginations have no limits.

8 They scoff, and speak with malice; with arrogance they threaten oppression.

Ephesians 4:29

29 Do not let any unwholesome talk come out of your mouths, but only what is helpful for building others up according to their needs, that it may benefit those who listen.