How can believers avoid harmful words?
How can believers guard against the "venom of vipers" in their words?

Setting the Scene: The Viper Image

“ ‘Their throats are open graves; their tongues practice deceit.’ ‘The venom of vipers is under their lips.’ ” (Romans 3:13)

Paul draws from Psalm 140:3 to picture speech so poisoned that it destroys life like a snakebite. The verse is not aimed only at notorious sinners; it diagnoses the natural condition of every tongue apart from Christ.


Why Words Matter

Proverbs 18:21—“Death and life are in the power of the tongue.”

Matthew 12:34—“For out of the overflow of the heart, the mouth speaks.”

James 3:8—“No man can tame the tongue; it is a restless evil, full of deadly poison.”

What fills the heart inevitably flows from the mouth. Guarding the tongue, therefore, requires guarding the heart.


Roots of Venomous Speech

• Unchecked anger (Ephesians 4:31)

• Pride and self-exaltation (Luke 18:11–12)

• Bitterness and unforgiveness (Hebrews 12:15)

• Fear of man and desire to impress (Galatians 1:10)


Steps to Guard Against the Venom

• Saturate the heart with Scripture

Colossians 3:16: “Let the word of Christ richly dwell within you.”

– When the heart is steeped in truth, poison has no room to brew.

• Surrender the tongue to the Spirit daily

Ephesians 5:18: “Be filled with the Spirit.”

– The Spirit produces self-control (Galatians 5:23), the very quality James says no human effort can achieve alone.

• Practice the pause

James 1:19: “Everyone should be quick to listen, slow to speak, and slow to anger.”

– A brief pause allows time for prayerful filtering before words escape.

• Set a guard at the door of the lips

Psalm 141:3: “Set a guard, O LORD, over my mouth; keep watch over the door of my lips.”

– An intentional daily request for divine surveillance over speech.

• Replace corrupt talk with edifying talk

Ephesians 4:29: “Let no unwholesome talk come out of your mouths, but only what is helpful for building up.”

– The quickest antidote to venom is blessing (Romans 12:14).

• Keep the cross in view

1 Peter 2:23: When reviled, Jesus “did not retaliate,” entrusting Himself to the Father.

– Remembering Christ’s silence under insult motivates us to handle provocation without lash-back.

• Seek accountability

Proverbs 27:17: “As iron sharpens iron, so one man sharpens another.”

– Invite mature believers to speak candidly about patterns they hear in your speech.


Practical Daily Checklist

1. Begin each morning with Scripture meditation.

2. Pray specifically for Spirit-controlled speech.

3. Pause before sending texts, emails, or posts.

4. Speak blessing over family, coworkers, and even adversaries.

5. Review the day at night: celebrate words that gave life, confess words that carried venom.


The Lifegiving Alternative

Colossians 4:6 urges, “Let your speech always be gracious, seasoned with salt.” When grace seasonings flavor our words, the venom of vipers has no place. As hearts stay close to Christ, mouths become conduits of healing, truth, and encouragement—turning potential poison into streams of living water (John 7:38).

What Old Testament references are echoed in Romans 3:13's description of sin?
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