Sundays in the Psalms (41)

When a Friend Becomes Your Enemy

Psalm 41:1–13

Some wounds come from enemies, and some wounds come from friends.

There is a difference.

An enemy can oppose you. An enemy can criticize you. An enemy can even try to destroy you.

But there are some wounds an enemy cannot give you—because betrayal requires trust.

David knew both kinds of wounds in Psalm 41.

We are not specifically told the historical setting of this Psalm, but many have connected it with the rebellion of Absalom and the betrayal of Ahithophel.

And it is not difficult to understand why.

Ahithophel had been David's trusted counselor.

2 Samuel 16:23 tells us that his counsel was regarded “as if a man had enquired at the oracle of God.”

Yet when Absalom rebelled against David, Ahithophel abandoned David and joined the conspiracy.

2 Samuel 15:12 says: “And the conspiracy was strong; for the people increased continually with Absalom.”

Then came the devastating news in verse 31: “Ahithophel is among the conspirators with Absalom.”

Whether Ahithophel is the specific friend David has in mind or not, the circumstances certainly fit the pain described in Psalm 41.

David is physically weak.

His enemies are hoping for his death.

People visit him pretending to care, then leave and talk about him.

And worst of all, someone he trusted—someone who had sat at his table—has turned against him.

David knew what it was to be wounded by an enemy.

But he also knew what it was to be betrayed by a friend.

Yet the great truth of Psalm 41 is not simply that a friend failed David.

It is that God did not.

Theme: Even when weakness leaves us vulnerable and betrayal leaves us wounded, the Lord remains faithful to sustain His own.

Key Thought: People may fail us at our weakest moment, but God will not.

I. The Blessing of Compassion — vv. 1–3

“Blessed is he that considereth the poor: the LORD will deliver him in time of trouble.”

David begins, not with his enemies, but with the character of the godly man.

A. He Considers the Weak — v. 1

“Considereth” goes beyond simply noticing someone in need.

It carries the idea of acting wisely and thoughtfully toward them.

The godly do not take advantage of another person's weakness; they show mercy.

B. He Is Cared for by the Lord — v. 2

“The LORD will preserve him, and keep him alive…”

David connects mercy shown to others with mercy received from God.

To many take verses like this and preach it as a mechanical formula:

If I help somebody, nothing bad can happen to me.

The truth is David himself is about to describe severe suffering.

This verse Rather, is reminding us that the merciful man can trust himself to the mercy of God.

This describes a pattern God honors, not a mechanical cause-and-effect where mercy automatically triggers mercy.

The broader biblical witness confirms this relational dynamic.

Jesus teaches that “the merciful shall obtain mercy,” (Matt 5:7) and he instructs his followers to be merciful as the Father is merciful, noting that the measure by which they give will be measured back to them. (Luke 6:36–38)

Paul echoes this principle, warning that “whatsoever a man soweth, that shall he also reap.” (Gal 6:7–9)

However, this isn’t a guarantee you can manipulate.

The principle operates within God’s sovereignty—he rewards those who cultivate mercy and compassion, but not as a mechanical exchange.

Jesus also makes clear that forgiveness toward others is connected to receiving forgiveness from the Father, (Matt 6:14–15) suggesting that a merciful character aligns you with God’s own nature and opens you to his blessing.

The deeper truth is that mercy benefits the merciful person spiritually.

The merciful person does good to his own soul, (Prov 11:17) and lending to the poor is described as lending to the Lord himself. (Prov 19:17)

So while God certainly responds to mercy with blessing, the relationship isn’t transactional—it’s transformational. Cultivating mercy shapes who you become and positions you to receive God’s favor.

C. He Is Comforted in Weakness — v. 3

“The LORD will strengthen him upon the bed of languishing…”

The picture shifts to a sickbed.

God does not merely meet us in our strength; He ministers to us in our weakness.

“Thou wilt make all his bed in his sickness” paints a tender picture of God's personal care.

Preaching Thought: The God who sees us caring for others is the God who cares for us when we can no longer care for ourselves.

II. The Burden of Affliction — vv. 4–9

The tone suddenly changes. David is no longer describing the suffering man—he is the suffering man.

A. His Sin Troubled Him — v. 4

“LORD, be merciful unto me: heal my soul; for I have sinned against thee.”

David's first concern is not what others have done to him, but what he has done against God.

Before discussing their sin, David acknowledges his own.

There is humility here that keeps the Psalm from becoming merely a complaint against his enemies.

Preaching Thought: It is easy to see the sins committed against us while overlooking the sins committed by us.

A. His Sin Troubled Him — v. 4

B. His Enemies Talked Against Him — vv. 5–8

“Mine enemies speak evil of me…”

Notice the progression:

v. 5 — They desired his demise: “When shall he die?”

v. 6 — They disguised their dishonesty: “he speaketh vanity”

v. 7 — They discussed him secretly: “whisper together against me”

v. 8 — They declared his downfall: “he shall rise up no more.”

His weakness became an opportunity for his enemies.

There is something especially painful about people watching your struggle and hoping it becomes your destruction.

A. His Sin Troubled Him — v. 4

B. His Enemies Talked Against Him — vv. 5–8

C. His Friend Turned Against Him — v. 9

This is the emotional center of the Psalm: “Yea, mine own familiar friend, in whom I trusted, which did eat of my bread, hath lifted up his heel against me.”

The depth of the wound is measured by the depth of the relationship.

An enemy can attack you, but only a friend can betray you.

David expected opposition from his enemies. But this was different.

This was someone he trusted. Someone who had shared his table. Someone he had allowed into his life.

The enemies hurt—but the friend wounded.

“mine own familiar friend” — relationship

“in whom I trusted” — confidence

“which did eat of my bread” — fellowship

“lifted up his heel against me” — betrayal

And this verse reaches beyond David.

Jesus quotes Psalm 41:9 in John 13:18 concerning Judas:

“He that eateth bread with me hath lifted up his heel against me.”

David experienced betrayal, but David's betrayal also foreshadowed the greater betrayal experienced by the Son of David.

Christ understands the wound of betrayal because He experienced it Himself.

III. The Believer's Confidence

David turns away from what his enemies are saying and looks again to the Lord.

A. He Appeals for God's Mercy — v. 10

“But thou, O LORD, be merciful unto me…”

David asks God to raise him up “that I may requite them.”

We have to remember that David is not merely a private citizen seeking personal vengeance; he is God's anointed king who has been opposed by conspirators.

His restoration would mean that their rebellion would not succeed.

But notice where David begins: “But thou, O LORD, be merciful unto me.”

David's answer to betrayal begins not with what David can do to them, but with what God can do for David.

That “But thou” changes the direction of the Psalm.

They may speak.

They may whisper.

They may scheme.

A friend may betray.

“But thou, O LORD…”

David's confidence was not that people would change; it was that God had not.

A. He Appeals for God's Mercy — v. 10

B. He Anticipates God's Vindication — v. 11

“By this I know that thou favourest me, because mine enemy doth not triumph over me.”

David does not say he has no enemies.

He says his enemies will not have the final word.

There is a tremendous difference between experiencing opposition and being overcome by opposition.

A. He Appeals for God's Mercy — v. 10

B. He Anticipates God's Vindication — v. 11

C. He Abides in God's Presence — v. 12

“And as for me, thou upholdest me in mine integrity, and settest me before thy face for ever.”

Notice the two works of God:

“Thou upholdest me” — God's sustaining hand.

David could not hold himself together, so God held him.

“Settest me before thy face” — God's abiding presence.

This is ultimately greater than simply being delivered from enemies.

David's confidence is not just:

“God will get me out of this.”

It is:

“God will keep me through this.”

IV. The Benediction of Praise

“Blessed be the LORD God of Israel from everlasting, and to everlasting. Amen, and Amen.”

Psalm 41 begins with: “Blessed is he…”

And ends with: “Blessed be the LORD…”

David begins by considering the blessing of the man who trusts God and ends by blessing the God who is worthy of that trust.

Interestingly, verse 13 also closes Book I of the Psalms (Psalms 1–41) with a doxology.

After sickness, enemies, whispering, plotting, and betrayal—

David still has a reason to praise God.

Conclusion

Maybe the greatest words in this Psalm are found at the beginning of verse 10:

“But thou, O LORD…”

My enemies may speak against me—but Thou, O LORD.

People may whisper about me—but Thou, O LORD.

Someone I trusted may turn against me—but Thou, O LORD.

My strength may fail—but Thou, O LORD.

David discovered that when everybody else around him became uncertain, God remained unchanged.

And that is why this Psalm does not end with the enemy.

It does not end with sickness.

It does not end with betrayal.

It ends with worship.

“Blessed be the LORD God of Israel from everlasting, and to everlasting. Amen, and Amen.”

People may fail you.

Friends may disappoint you.

Those you trusted may even wound you.

But God will still be God.

He will uphold you with His hand.

He will keep you in His presence.

And long after the voices of your enemies have grown silent, long after the sting of betrayal has passed—

God will still be faithful.

God will still be worthy.

And God will still deserve your praise.

“Amen, and Amen.”