How to align speech with Jesus' teachings?
In what ways can we align our speech with the teachings of Jesus?

The heart-to-mouth connection

Matthew 15:18: “But the things that come out of the mouth come from the heart, and these things defile a man.”


Why words matter

• They expose what we treasure (Luke 6:45).

• They possess life-and-death power (Proverbs 18:21).

• They will be judged (Matthew 12:36).


Speech that mirrors Jesus

• Truthful (Ephesians 4:25).

• Gracious and “seasoned with salt” (Colossians 4:6).

• Edifying, not tearing down (Ephesians 4:29).

• Pure—free of obscenity, gossip, slander (Ephesians 5:4; James 4:11).

• Gentle, diffusing anger (Proverbs 15:1).

• Consistent—blessing God and people alike (James 3:9-10).


Guarding the source

• Watch the heart diligently (Proverbs 4:23).

• Fill it with what is true, pure, lovely (Philippians 4:8).

• Store up Scripture (Psalm 119:11).

• Yield to the Spirit for self-control (Galatians 5:22-23).


Daily practices that align the tongue

• Start each morning reading a passage aloud—let God’s words tune yours.

• Pause before replying; be “quick to listen, slow to speak” (James 1:19).

• Trade complaints for thanksgiving.

• Memorize verses on speech (Psalm 19:14; Ephesians 4:29).

• Apologize swiftly when words wound.

• Seek conversations that model godly language.


Ongoing motivation

1 Peter 3:10: “Whoever would love life and see good days must keep his tongue from evil and his lips from deceitful speech.”

When the heart stays tethered to Christ, the mouth becomes a channel of His grace, fulfilling Jesus’ teaching in Matthew 15:18.

How does Matthew 15:18 connect with Proverbs 4:23 about guarding our hearts?
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