Complete Bible Study Guide
What Does the Bible Say About The Mouth?
18 Scripture references with full text and commentary
Understanding The Mouth in the Bible
Explore what the Bible says about the mouth. This collection of 20 key Scripture passages reveals God's wisdom and guidance on this important theme.
Top 10 Verses About The Mouth
- 1Numbers 23:19
“God is not a man, that he should lie; neither the son of man, that he should repent: hath he said, and shall he not do it? or hath he spoken, and shall he not make it good?”
KJV - 2Deuteronomy 4:2
“Ye shall not add unto the word which I command you, neither shall ye diminish ought from it, that ye may keep the commandments of the LORD your God which I command you.”
KJV - 3
- 4Proverbs 10:20
“The tongue of the just is as choice silver: the heart of the wicked is little worth.”
KJV - 5Proverbs 18:21
“Death and life are in the power of the tongue: and they that love it shall eat the fruit thereof.”
KJV - 6Isaiah 51:16
“And I have put my words in thy mouth, and I have covered thee in the shadow of mine hand, that I may plant the heavens, and lay the foundations of the earth, and say unto Zion, Thou art my people.”
KJV - 7Jeremiah 1:9
“Then the LORD put forth his hand, and touched my mouth. And the LORD said unto me, Behold, I have put my words in thy mouth.”
KJV - 8Matthew 15:11
“Not that which goeth into the mouth defileth a man; but that which cometh out of the mouth, this defileth a man.”
KJV - 9
- 10John 16:13
“Howbeit when he, the Spirit of truth, is come, he will guide you into all truth: for he shall not speak of himself; but whatsoever he shall hear, that shall he speak: and he will shew you things to come.”
KJV
Old Testament: What Does the Bible Say About The Mouth? (7 Verses)
“God is not a man, that he should lie; neither the son of man, that he should repent: hath he said, and shall he not do it? or hath he spoken, and shall he not make it good?”
“Ye shall not add unto the word which I command you, neither shall ye diminish ought from it, that ye may keep the commandments of the LORD your God which I command you.”
“Set a watch, O LORD, before my mouth; keep the door of my lips.”
“The tongue of the just is as choice silver: the heart of the wicked is little worth.”
“Death and life are in the power of the tongue: and they that love it shall eat the fruit thereof.”
“And I have put my words in thy mouth, and I have covered thee in the shadow of mine hand, that I may plant the heavens, and lay the foundations of the earth, and say unto Zion, Thou art my people.”
“Then the LORD put forth his hand, and touched my mouth. And the LORD said unto me, Behold, I have put my words in thy mouth.”
New Testament: What Does the Bible Say About The Mouth? (11 Verses)
“Not that which goeth into the mouth defileth a man; but that which cometh out of the mouth, this defileth a man.”
“In the beginning was the Word, and the Word was with God, and the Word was God.”
“Howbeit when he, the Spirit of truth, is come, he will guide you into all truth: for he shall not speak of himself; but whatsoever he shall hear, that shall he speak: and he will shew you things to come.”
“Let every soul be subject unto the higher powers. For there is no power but of God: the powers that be are ordained of God. ordained: or, ordered”
“Let no corrupt communication proceed out of your mouth, but that which is good to the use of edifying, that it may minister grace unto the hearers. to: or, to edify profitably”
“Praying always with all prayer and supplication in the Spirit, and watching thereunto with all perseverance and supplication for all saints;”
“For the word of God is quick, and powerful, and sharper than any twoedged sword, piercing even to the dividing asunder of soul and spirit, and of the joints and marrow, and is a discerner of the thoughts and intents of the heart.”
“If any man among you seem to be religious, and bridleth not his tongue, but deceiveth his own heart, this man's religion is vain.”
“Even so the tongue is a little member, and boasteth great things. Behold, how great a matter a little fire kindleth! a matter: or, wood”
“But the tongue can no man tame; it is an unruly evil, full of deadly poison.”
“Out of the same mouth proceedeth blessing and cursing. My brethren, these things ought not so to be.”
How to Study What the Bible Says About The Mouth
- 1
Begin by reading through every verse listed on this page, noting which ones speak most directly to your current season of life. Write them down and revisit them throughout the week.
- 2
Use a concordance or the search tools on this site to find additional passages about the mouth. Look for patterns across both the Old and New Testaments to gain a complete picture of what God reveals on this subject.
- 3
Study the context of each verse. Read the surrounding chapter to understand who was speaking, who the audience was, and what circumstances prompted the passage. Context prevents misapplication.
- 4
Memorise at least one key verse about the mouth and meditate on it daily. Scripture memory transforms thinking and equips you to apply God's Word in real-time situations.
Practical Application
Studying what the Bible says about the mouth is only the beginning. Scripture is meant to be lived out in daily obedience and faith. Here are practical steps to apply these truths:
Identify one area of your life where the biblical teaching on the mouth needs to be applied more consistently. Write a specific, actionable step you can take this week.
Share what you have learned about the mouth with a fellow believer or in a small group setting. Teaching others solidifies your own understanding and encourages mutual growth.
Pray through the key verses about the mouth, asking God to reveal how His Word applies to your relationships, decisions, and daily habits.
How Well Do You Know What the Bible Says About The Mouth?
You have studied 18 verses about the mouth. Now test your knowledge with chapter-by-chapter quizzes covering the books where these verses appear.