BIBLE FACTS OF THE DAY

Bible Facts Of The Day, September 11, 2026 “Guard Your Heart – Part I”

PART I — LUST: THE BATTLE OF THE HEART

Matthew 5:27–28

“You have heard that it was said to those of old, ‘You shall not commit adultery.’ But I say to you that whoever looks at a woman to lust for her has already committed adultery with her in his heart.”

Lust begins in the heart

Jesus takes the issue deeper than outward behavior. A person may never physically commit adultery and yet allow lust to live within the heart.

Jesus is not saying that merely noticing another person’s attractiveness is adultery. He speaks of looking “to lust”—a deliberate gaze that entertains and feeds sinful desire.

This teaches us an important spiritual truth:

Sin often begins internally before it appears externally.

The eyes may provide the doorway, but the heart determines what happens next.

Temptation is not the same as sin

James describes how temptation develops:

James 1:14–15 — “But each one is tempted when he is drawn away by his own desires and enticed. Then, when desire has conceived, it gives birth to sin…”

The progression is:

Desire → Enticement → Consent → Sin → Destruction

Being tempted does not automatically mean that we have sinned. Jesus Himself “was in all points tempted as we are, yet without sin” (Hebrews 4:15).

The danger comes when we welcome temptation, entertain it, fantasize about it, and allow it to remain in our hearts.

The lust of the flesh and eyes

1 John 2:16 — “For all that is in the world—the lust of the flesh, the lust of the eyes, and the pride of life—is not of the Father but is of the world.”

Lust is broader than sexual immorality.

The lust of the flesh says:

“My body desires it; therefore I want it.”

The lust of the eyes says:

“I see it; therefore I must have it.”

The pride of life says:

“I want this because it will exalt me.”

Sex, money, possessions, power, recognition, food, entertainment, and status can all become objects of sinful craving.

Guard the doorway of your eyes

Job declared:

Job 31:1 — “I have made a covenant with my eyes; Why then should I look upon a young woman?”

David said:

Psalm 101:3 — “I will set nothing wicked before my eyes.”

What we repeatedly place before our eyes can eventually influence our thoughts, and our thoughts can influence our desires.

This principle has enormous importance today.

What are we watching?

What are we scrolling through?

What are we allowing into our minds through our phones?

What are we watching when nobody else is around?

A believer should not continually feed something and then wonder why that appetite becomes stronger.

Lust and love are opposites

Lust asks:

“What can I get from this person?”

Love asks:

“How can I honor this person before God?”

Lust reduces another human being to an object for personal gratification. Biblical love recognizes that person as someone created in God’s image.

Therefore, the battle against lust is ultimately a battle of the heart.

Closing thought

The first battlefield is not the bedroom.

It is not the computer.

It is not the smartphone.

It is not even the eyes.

The ultimate battlefield is the heart.

Proverbs 4:23 — “Keep your heart with all diligence, For out of it spring the issues of life.”

We cannot continually feed the flesh and expect the spirit to dominate.

What enters through the eyes can reach the mind.
What remains in the mind can stir desire.
What is cherished as desire can become action.

Therefore, guard your heart.

“Maranatha! Even so, come, Lord Jesus!”

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