NIV “In addition to all this, take up the shield of faith, with which you can extinguish all the flaming arrows of the evil one.” (Ephesians 6:16)
This verse sits inside Paul’s description of the full armor of God (Ephesians 6:10–18), a passage addressed to believers who are already in Christ but are still in active spiritual conflict.
The armor is not for getting saved.
It is for those who are already saved and still under attack.
Every word of verse 16 has specific weight.
The Context: Why Paul Reaches for a Military Image
Paul wrote Ephesians from prison in Rome, almost certainly surrounded by Roman soldiers.
The armor he describes is not an abstract metaphor; it is a precise description of what he saw on the guards standing beside him.
Each piece corresponds to actual Roman military equipment, and his readers would have recognized every item immediately.
By the time he reaches verse 16, Paul has already described five pieces of armor: the belt of truth (verse 14), the breastplate of righteousness (verse 14), the shoes of the gospel (verse 15), and he is now introducing the sixth piece.
He places the shield here deliberately, as the first of the pieces the soldier actively picks up and wields.
The Shield: What Thureos Actually Was
Paul does not use the generic word for shield.
He uses the Greek word thureos (meaning door-shield), derived from thura, the word for door.
There were two kinds of shields in Roman warfare.
The smaller aspis covered part of the body.
The thureos was different: a large rectangular shield roughly two and a half feet wide and four feet tall.
Behind it, a soldier could stand almost fully hidden.
The leather covering was soaked in water before battle so that flaming arrows would hit it and be extinguished, rather than penetrating or setting it ablaze.
Paul’s choice of thureos over aspis is not incidental.
He is not describing partial protection; he is describing coverage of the whole person.
The Flaming Arrows: What the Enemy Actually Fires
The bele pepuromena (Greek for fiery arrows or flaming darts) were a feared weapon of ancient warfare.
Arrows were dipped in pitch, set on fire, and shot at enemy formations.
If they struck wood or cloth, they spread.
The danger was not just the impact but the fire that followed.
Martyn Lloyd-Jones (a twentieth-century Welsh preacher and physician who taught extensively on Ephesians) identified the spiritual equivalent as the sudden intrusions of the enemy into the mind: doubt, accusation, temptation, blasphemy, despair, lust, and discouragement.
These are not things the believer generates from the inside; they arrive from outside without warning.
The key word is “flaming”: these arrows are not just obstacles to deflect; they are designed to spread, to set something burning inside the believer that keeps growing if not immediately quenched.
Doubt that is not addressed becomes unbelief.
A temptation that is entertained becomes a stronghold.
An accusation that is not answered becomes shame.
“Above All”: What Paul Means by Priority
The phrase “in addition to all this” translates the Greek epi pasin, which can also be rendered “above all” or “over all.”
Some interpreters take this to mean the shield is the most important piece of the armor.
Others, including Lloyd-Jones, argue it introduces the second group of three active pieces (shield, helmet, sword) in contrast to the first three fixed pieces (belt, breastplate, shoes).
Either reading makes a similar practical point: the shield is presented with special emphasis.
It is the piece that covers all the other pieces.
Even a perfectly fitted breastplate can be damaged if an unquenched flaming arrow lands on it and burns.
Faith, understood as active trust in God and His Word, protects the effectiveness of everything else the believer wears.
Faith: What “Taking Up” Actually Means
The verb Paul uses is analabontes (taking up, picking up): an active verb, not a passive state.
The other pieces of armor in verses 14–15 use the verb “having” or “being fitted with,” implying something already in place.
The shield is taken up; it requires a deliberate act.
This is significant.
Faith in Paul’s sense here is not simply the belief that God exists or that salvation is real.
It is the active, in-the-moment choice to trust God’s promises when the flaming arrow of doubt, fear, or accusation arrives.
Romans 10:17 describes how this faith is built: “Faith comes from hearing, and hearing through the word of Christ.”
The shield is kept strong by constant exposure to what God has said, so that when the attack comes, there is something solid to hold up.
“All the Flaming Arrows”: The Scope of the Promise
Paul does not say the shield will extinguish most of the arrows, or the arrows that are not too severe.
He writes “all the flaming arrows.”
This is not overstatement; it is a statement about the character of faith itself.
Faith does not need to know the content of the attack before it can respond.
The same act of turning toward God in trust, of saying “I believe what You have said over what I am feeling,” is the response to every type of arrow.
Whether the arrow is doubt about God’s goodness, accusation about past sin, fear about the future, or sudden violent temptation: faith redirects toward the same anchor, the truth of who God is and what He has promised.
The Shield in Formation: A Point Often Missed
Roman soldiers did not typically fight alone.
They fought in formation, with shields interlocked.
In the testudo (tortoise) formation, soldiers locked shields together to create a wall nearly impervious to arrows.
Paul’s letter to the Ephesians is addressed to a community, not an individual.
The “you” throughout Ephesians 6 is plural in the original Greek.
This matters because when one believer’s faith wavers, the community of faith around them can hold their shields up.
The church is a formation, not a gathering of isolated combatants.
When one person is under concentrated attack, those beside them can speak truth, pray, and stand until the individual’s faith is restored.
Common Questions About the Shield of Faith in Ephesians 6:16
What does the shield of faith represent in spiritual warfare?
It represents active, ongoing trust in God and His promises as the primary defense against the enemy’s attacks. Just as the Roman thureos covered the whole body, faith covers all aspects of the believer’s life. Without it, every other piece of armor is more exposed to harm.
What are the flaming arrows in Ephesians 6:16?
They represent Satan’s targeted attacks: doubt, accusation, temptation, fear, despair, and blasphemous thoughts. The “flaming” quality signals they are designed to spread. An unaddressed doubt grows; an entertained temptation deepens. Faith extinguishes them by redirecting attention to what God has actually said.
Why does Paul say “above all” when referring to the shield?
The Greek epi pasin introduces the active-use pieces of armor in contrast to the fixed pieces. The phrase highlights special emphasis: the shield covers and protects every other piece. Some interpreters also note that the shield, used in formation, is the only piece that can protect other people.
Is the shield of faith about saving faith or ongoing faith?
Both dimensions apply. Saving faith is the foundation, but the immediate context addresses believers already saved who are under continuing attack. The active verb “take up” indicates ongoing, deliberate trust rather than a one-time act. The shield must be raised each time an attack comes.
How do I take up the shield of faith practically?
By actively speaking God’s truth against whatever the enemy is firing. When doubt arrives, answer it with what Scripture says about God’s faithfulness. When accusation comes, answer with Romans 8:1. When temptation arrives, answer with 1 Corinthians 10:13. Faith is exercised; it is not simply felt.
Can the shield of faith be put down?
The implication is yes. Paul commands believers to take it up precisely because it can be set aside. Faith weakens through neglect of God’s Word, isolation from believers, or prayerlessness. The shield must be actively maintained through consistent exposure to truth.
A Prayer to Take Up the Shield
Lord, I am in a fight I did not choose and cannot win alone.
But You have not left me unarmed.
Teach me to raise the shield when the arrow comes, not after it lands.
Where doubt has been burning, speak Your faithfulness.
Where accusation has taken hold, remind me of Romans 8:1.
Where fear has been spreading, let me hear Your Word over it.
I take up the shield today.
Not because I feel strong, but because You are.
Amen.
Consulted Sources
Lloyd-Jones, D. M. (1976). The Christian soldier: An exposition of Ephesians 6:10–20. Baker Book House.
Arnold, C. E. (2010). Ephesians (Zondervan Exegetical Commentary on the New Testament). Zondervan.
O’Brien, P. T. (1999). The letter to the Ephesians (Pillar New Testament Commentary). Eerdmans.
GotQuestions.org. (n.d.). What is the shield of faith?
Bible Study Tools. (n.d.). Ephesians 6:16 commentary and meaning.
Crosswalk.com. (n.d.). The shield of faith: What Ephesians 6:16 means for believers.
Christianity.com. (n.d.). What is the armor of God in Ephesians 6?
(2012). Ephesians 6:16: The shield of faith. Redeeming God Blog.
(2013). Lesson 59: The essential shield (Ephesians 6:16). Bible.org Blog.
(n.d.). What does Ephesians 6:16 mean? BibleRef Commentary Blog.
(n.d.). What does Ephesians 6:16 mean? Knowing Jesus Daily Verse Blog.
