How can Christians avoid adultery?
How can Christians guard their hearts against the temptation of adultery?

The Command Anchoring Our Study

“ You shall not commit adultery.” (Exodus 20:14)

A clear, literal word from God that guards the sanctity of marriage and the purity of His people.


Why God Protects Marriage

• Marriage mirrors Christ’s covenant love for His church (Ephesians 5:25–32).

• Adultery wounds spouses, children, churches, and communities (Proverbs 6:32–35).

• Sexual purity sets believers apart in a world that normalizes impurity (1 Thessalonians 4:3–5).


Recognize the Real Battlefield

• Jesus locates adultery’s root in the heart, not merely in outward acts (Matthew 5:27–28).

• “Guard your heart with all diligence, for from it flow springs of life.” (Proverbs 4:23)

• What fills the mind eventually steers the body.


Practical Ways to Guard the Heart

1. Treasure and Apply God’s Word

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

 • Daily reading, memorization, and meditation recalibrate desires toward holiness.

2. Guard the Eyes and Thoughts

 • Job made a covenant with his eyes (Job 31:1).

 • Filter entertainment, online activity, and social media.

 • When an impure image or fantasy appears, redirect thoughts to Philippians 4:8.

3. Flee, Don’t Negotiate

 • “Flee from sexual immorality.” (1 Corinthians 6:18)

 • Joseph ran from Potiphar’s wife (Genesis 39:12). Physical removal often equals spiritual victory.

4. Establish Clear Boundaries

 • Meet with the opposite sex in public settings when possible.

 • Avoid private, emotionally intimate conversations that belong to marriage.

 • Set technology safeguards, share passwords, and disable secret channels.

5. Cultivate Marital Intimacy

 • “Rejoice in the wife of your youth.” (Proverbs 5:18)

 • Date your spouse, communicate openly, pray together, and prioritize physical affection.

 • A satisfied, Christ-centered marriage starves adulterous desires.

6. Walk in Accountable Community

 • “Confess your sins to one another and pray for one another.” (James 5:16)

 • Same-gender prayer partners, small groups, or mentoring relationships provide safety nets.

 • Transparency dismantles secrecy, the seedbed of adultery.

7. Depend on the Holy Spirit

 • “Walk by the Spirit, and you will not gratify the desires of the flesh.” (Galatians 5:16)

 • Daily surrender, asking the Spirit to produce self-control, purity, and love.

8. Remember the Stakes

 • Hebrews 13:4 warns that God will judge the sexually immoral.

 • Meditating on sin’s earthly and eternal consequences sobers the mind and strengthens resolve.


Living Out the Command Today

Guarding against adultery is not a one-time decision but a lifestyle of ongoing vigilance: filling the heart with Scripture, setting wise boundaries, pursuing healthy marriages, embracing accountability, and relying on the Spirit. In these ways believers honor the literal command of Exodus 20:14 and showcase God’s faithful love to the world.

How does Jesus expand on Exodus 20:14 in Matthew 5:27-28?
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