📖 Biblical Definition
The shield of faith is the fourth piece of the armor of God: above all, taking the shield of faith, wherewith ye shall be able to quench all the fiery darts of the wicked. The Roman soldier's large rectangular shield (thureos) was wetted before battle to extinguish flaming arrows; the saint's faith, soaked in the Spirit, does the same against the enemy's incendiary lies.
📜 Webster 1828 Definition
(Ephesians 6:16.) The fourth piece of the armor of God; quenches the fiery darts of the enemy.
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Greek thureos in Eph 6:16 was the Roman scutum — the large rectangular shield about 4 feet by 2.5 feet, covered in leather, often soaked in water before battle.
Soldiers locked shields together (testudo, tortoise formation) to absorb arrow volleys. The picture is corporate: faith is exercised individually but defended best together.
📖 Key Scripture
Ephesians 6:16 — "Above all, taking the shield of faith, wherewith ye shall be able to quench all the fiery darts of the wicked."
Genesis 15:1 — "Fear not, Abram: I am thy shield, and thy exceeding great reward."
Psalm 18:30 — "He is a buckler to all those that trust in him."
1 John 5:4 — "And this is the victory that overcometh the world, even our faith."
⚠️ Modern Corruption
Modern Christianity often individualizes faith; Roman soldiers fought shield-locked, and the household's faith is similarly defended together.
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Above all (Eph 6:16) singles out the shield. Faith covers everything else; without it, every other piece is exposed. The fiery darts (lies, accusations, temptations) are quenched on the shield's face.
And the shield was a corporate weapon. Roman legions fought in formation; isolated soldiers were vulnerable. Recover the corporate dimension: family worship, congregational prayer, mutual encouragement. Faith stays alight when households defend one another.
🔗 Greek & Hebrew Roots
Greek thureos (large rectangular shield).
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Greek thureos — large rectangular shield (the Roman scutum).
Hebrew magen — shield, buckler; God Himself called Abram's shield (Gen 15:1).
Usage
"Above all, the shield — faith covers all the rest."
"Roman soldiers fought shield-locked; isolated saints are vulnerable."
"Faith stays alight when households defend one another."