Proverbs 15:28

The mind of the righteous thinks before speaking, but the wicked person spews out evil.

1 Peter 3:15

Instead, exalt the Messiah" as Lord in your lives. Always be prepared to give a defense to everyone who asks you to explain the hope you have.

Proverbs 15:2

The wise speak, presenting knowledge appropriately, but fools spout foolishness.

1 Kings 3:23-28

The king said, "One of them claims, "This living son is mine, and your son is the dead one' and the other claims "No. Your son is the dead one and my son is the living one.'

Proverbs 10:19

Transgression is at work where people talk too much, but anyone who holds his tongue is prudent.

Proverbs 13:16

Every sensible person acts from knowledge, but a fool demonstrates folly.

Proverbs 16:23

A wise person's thoughts control his words, and his speech promotes instruction.

Proverbs 29:11

The fool vents all his feelings, but the wise person keeps them to himself.

Proverbs 29:20

Do you see a man who speaks hastily? There is more hope for a fool than for him.

Ecclesiastes 5:2

Don't be impulsive with your mouth nor be in a hurry to talk in God's presence. Since God is in heaven and you're on earth, keep your speech short.

Ecclesiastes 5:6

Never let your mouth cause you to sin and don't proclaim in the presence of the angel, "My promise was a mistake," for why should God be angry at your excuse and destroy what you've undertaken?

Ecclesiastes 10:12-14

The words spoken by the wise are gracious, but the lips of a fool will devour him.

Matthew 12:34

You children of serpents! How can you say anything good when you are evil? The mouth speaks about what overflows from the heart.

Titus 1:10-11

For there are many people who are rebellious, especially those who are converts from Judaism. They speak utter nonsense and deceive people.

James 3:6-8

The tongue is a fire, a world of evil. Placed among the parts of our bodies, the tongue contaminates the whole body and sets on fire the course of life, and is itself set on fire by hell.

2 Peter 2:18

By talking high-sounding nonsense and using sinful cravings of the flesh, they entice people who have just escaped from those who live in error.

Treasury of Scripture Knowledge

Summary

The heart of the righteous studieth to answer: but the mouth of the wicked poureth out evil things.

General references

Bible References

Heart

Proverbs 15:2
The wise speak, presenting knowledge appropriately, but fools spout foolishness.
Proverbs 16:23
A wise person's thoughts control his words, and his speech promotes instruction.
1 Kings 3:23
The king said, "One of them claims, "This living son is mine, and your son is the dead one' and the other claims "No. Your son is the dead one and my son is the living one.'
Ecclesiastes 5:2
Don't be impulsive with your mouth nor be in a hurry to talk in God's presence. Since God is in heaven and you're on earth, keep your speech short.
1 Peter 3:15
Instead, exalt the Messiah" as Lord in your lives. Always be prepared to give a defense to everyone who asks you to explain the hope you have.

General references

Proverbs 14:33
Wisdom is at rest in the mind of the discerning even fools know this.
Matthew 15:18
But the things that come out of the mouth come from the heart, and it is those things that make a person unclean.

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