There are twenty passages in the psalms which depict God as a shield. From Psalm 3:3: “But you, O LORD, are a shield about me, my glory, and the lifter of my head” to “he is my steadfast love and my fortress, my stronghold and my deliverer, my shield and he in whom I take refuge, who subdues peoples under me” (Psalm 144:2). God is our defense. Our fortress. Our deliverer. Our shield.
Two passages in Proverbs call God our “Shield”. “He stores up sound wisdom for the upright; he is a shield to those who walk in integrity” (Proverb 2:7).Notice here that Solomon says God is the shield to those who “walk in integrity.” “Integrity” means “complete, unbroken, whole.” Here, in means that our outward walk is consistent with our inward beliefs.
The second passage that calls God a Shield in Proverbs is 30:5-6: “Every word of God proves true; he is a shield to those who take refuge in him. Do not add to his words, lest he rebuke you and you be found a liar” (Proverbs 30:5-6). We must seek refuge in God and His word will be our shield. That means that we cannot add to His words. They are true. If we add something to them, we become liars.
To seek refuge in God and His word means that I trust His word. I trust what He says even if I can’t see the end result. I walk by faith, not by sight (2 Corinthians 5:7), believing that what God says must be the right thing to do. I don’t have to argue this or that. My answer, the foundation of my heart’s tranquility, is: “God said it. That settles it.”
When we live our lives that way, God is our Shield. We walk in integrity and we take refuge in Him.

-Paul Holland