How to remove old habits today?
How can we practically "cleanse out the old leaven" in our lives today?

A Little Leaven, the Whole Batch: Why This Matters

1 Corinthians 5:6: “Your boasting is not good. Do you not know that a little leaven leavens the whole batch of dough?”

• In Scripture, leaven pictures sin’s quiet, spreading power (Exodus 12:15; Galatians 5:9).

• Because every word of Scripture is accurate and literal, Paul’s warning still applies: left unchecked, even a “little” sin reshapes an entire life, family, or church.


Spotting the Old Leaven in Daily Life

• Hidden habits: private lust, secret bitterness, undeclared envy.

• Poisoned attitudes: sarcasm, cynicism, complaining (Philippians 2:14).

• Compromised morals: entertainment that normalizes impurity (Psalm 101:3).

• False teaching: ideas that deny clear biblical truth (2 Peter 2:1).

• Relational rot: unforgiveness, gossip, passive-aggressive silence (Ephesians 4:31).


Personal Sweep-Out Steps

1. Confess immediately

1 John 1:9; Proverbs 28:13. Name the sin without excuses.

2. Repent decisively

– “Put off your former way of life” (Ephesians 4:22). Choose a 180-degree turn, not a slow curve.

3. Flood the heart with truth

Psalm 119:11; Romans 12:2. Daily intake of unfiltered Scripture displaces lies.

4. Replace, don’t just remove

Ephesians 4:24. Exchange anger with kindness, lust with love, worry with trust.

5. Cut off supply lines

Matthew 5:29-30. Delete, block, unsubscribe, relocate—whatever starves the sin.

6. Invite accountability

James 5:16; Hebrews 3:13. A trusted believer who asks hard questions is a gift.

7. Practice ongoing self-examination

2 Corinthians 13:5. Regular checkups catch leaven early.

8. Serve others actively

Galatians 5:13. Focused, humble service keeps self-indulgence at bay.


Household and Church Clean-Up

• Parents model and enforce holiness at home (Deuteronomy 6:6-7).

• Friends confront one another in gentleness (Galatians 6:1).

• Churches exercise loving discipline when sin is public and unrepentant (1 Corinthians 5:11-13).

• Unity is preserved when purity is protected; the reverse is impossible.


Keeping the Dough Unleavened: Daily Habits

• Unhurried time in Word and prayer each morning (Mark 1:35).

• Weekly corporate worship and communion (Hebrews 10:25).

• Quick, full forgiveness when wronged (Colossians 3:13).

• Delighting in wholesome joys: creation, fellowship, music that honors Christ (Philippians 4:8).

• Fleeing every “appearance of evil” (1 Thessalonians 5:22).


Our Motivation: Christ, Our Passover Lamb

1 Corinthians 5:7: “Get rid of the old leaven, that you may be a new unleavened batch. For Christ, our Passover Lamb, has been sacrificed.”

• His once-for-all sacrifice makes us unleavened in position; our daily cleansing aligns practice with that position.

• The Holy Spirit supplies power (Romans 8:13).

• Cleansing the old leaven is not grim duty but grateful response: we sweep because the Lamb has already saved the house.

What Old Testament passages relate to the concept of leaven and sin?
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