The Bible teaches that the tongue reveals the condition of the heart. Jesus said:
“For out of the abundance of the heart the mouth speaks.” — 12:34
And:
“The tongue has the power of life and death.” — 18:21
Here is a list of different kinds of “tongues” (ways people speak), what they reveal about the heart, and key Bible references.
- A harsh tongue – reveals anger, impatience, or pride.
- Proverbs 15:1
- Proverbs 12:18
- A gentle tongue – reveals wisdom, love, and self-control.
- Proverbs 15:4
- Proverbs 25:15
- A lying tongue – reveals deceit and dishonesty.
- Proverbs 6:16–19
- Proverbs 12:22
- A truthful tongue – reveals integrity and faithfulness.
- Proverbs 12:19
- Ephesians 4:25
- A gossiping tongue – reveals a lack of love and discretion.
- Proverbs 16:28
- Proverbs 20:19
- A slanderous tongue – seeks to destroy another person’s reputation.
- Psalm 101:5
- James 4:11
- A deceitful tongue – manipulates and misleads.
- Psalm 52:2–4
- Jeremiah 9:8
- A flattering tongue – uses praise to manipulate rather than encourage.
- Psalm 12:2–3
- Proverbs 29:5
- A boastful tongue – reveals pride and self-exaltation.
- Psalm 12:3
- James 3:5
- A complaining tongue – reveals discontent and unbelief.
- Philippians 2:14
- Numbers 14:27
- A critical or judgmental tongue – reveals self-righteousness.
- Matthew 7:1–5
- James 4:11–12
- A bitter tongue – reveals unforgiveness and resentment.
- Ephesians 4:31–32
- Hebrews 12:15
- An encouraging tongue – builds others up.
- Ephesians 4:29
- Proverbs 16:24
- A thankful tongue – reveals gratitude.
- 1 Thessalonians 5:18
- Psalm 103:1–5
- A wise tongue – speaks with discernment and understanding.
- Proverbs 10:31
- Proverbs 15:2
- A healing tongue – brings restoration, comfort, and hope.
- Proverbs 12:18
- Proverbs 15:4
- A controlled tongue – demonstrates spiritual maturity.
- James 1:26
- James 3:2
- An evil tongue – delights in wickedness and corruption.
- Psalm 34:13
- Proverbs 10:32
- A prayerful tongue – seeks God before speaking to people.
- Romans 8:26
- Ephesians 6:18
- A praising tongue – glorifies God.
- Hebrews 13:15
- Psalm 34:1
What James teaches about the tongue
3:5–10 gives one of the clearest teachings:
- The tongue is small but powerful.
- It can build up or destroy.
- It can bless God and curse people.
- An uncontrolled tongue reveals an uncontrolled heart.
- A mature believer learns to surrender their speech to God.
The heart behind the tongue
The Bible consistently teaches that speech flows from the heart:
- Angry heart → harsh tongue.
- Proud heart → boastful tongue.
- Deceitful heart → lying tongue.
- Bitter heart → critical or slanderous tongue.
- Fearful heart → complaining tongue.
- Loving heart → gentle tongue.
- Wise heart → healing tongue.
- Grateful heart → thankful tongue.
- Spirit-filled heart → encouraging, truthful, and praising tongue.
The transformation of the tongue begins with the transformation of the heart. As Jesus said:
“A good man out of the good treasure of his heart brings forth good things, and an evil man out of the evil treasure brings forth evil things.” — 12:35
When God changes the heart, He also changes the words that flow from the mouth.
