How to protect our hearts from evil thoughts?
How can we guard our hearts against "evil thoughts" mentioned in Matthew 15:19?

What Jesus Exposes

“For out of the heart come evil thoughts, murder, adultery, sexual immorality, theft, false testimony, slander.” — Matthew 15:19


Recognize the Real Issue

• The heart is the wellspring of life (Proverbs 4:23).

• Evil actions begin as tolerated thoughts; guarding the heart starts with guarding the mind.


Daily Saturate the Heart with Scripture

• Read: plan for steady intake (whole-Bible plan, one Psalm a day, etc.).

• Listen: audio Bible while driving or exercising.

• Write: journal key verses.

• Speak: read passages aloud to reinforce truth (Romans 10:17).


Meditate and Memorize

Psalm 119:9-11: “I have hidden Your word in my heart that I might not sin against You.”

• Choose one verse each week; review morning, noon, night.

• Turn memorized verses into praise throughout the day.


Invite the Holy Spirit’s Cleansing

Psalm 51:10: “Create in me a clean heart, O God.”

Galatians 5:16-17: walk by the Spirit to deny fleshly cravings.

• Ask the Spirit to expose hidden motives and give power to reject them.


Renew the Mind Continually

Romans 12:2: be transformed by renewing the mind.

2 Corinthians 10:5: take every thought captive.

Practical steps:

– When a sinful thought surfaces, name it, reject it, replace it with truth.

– Keep a “thought log” for patterns needing prayerful confrontation.


Choose Pure Inputs

Philippians 4:8 sets the filter: true, honorable, right, pure, lovely, admirable, excellent, praiseworthy.

• Audit entertainment, conversations, social media. Remove what fuels impurity; add what fuels holiness.


Stay Connected to God’s People

Hebrews 10:24-25 calls for mutual encouragement.

• Share struggles with trusted believers; invite accountability.

• Join small groups where Scripture admonition is normal, not awkward.


Practice Immediate Confession

1 John 1:9: confess and be cleansed.

• Keep short accounts with God—hours, not days, between conviction and confession.

• Replace guilt with gratitude for Christ’s finished work.


Serve and Worship

• Active service shifts focus from self to others (Mark 10:45).

• Regular worship realigns affections, crowding out rival desires (Psalm 96:9).


Live Watchfully

1 Peter 5:8: be sober-minded; the adversary prowls.

• Start and end each day with a quick “heart check”:

– What thoughts ruled me today?

– Which need replacing with truth tomorrow?

When Scripture saturates the mind, the Spirit rules the heart, and evil thoughts lose their footing.

What is the meaning of Matthew 15:19?
Top of Page
Top of Page