Deuteronomy 5:15 And remember that you were a slave in the land of Egypt, and the LORD your God brought you out from there by a mighty hand and by an outstretched arm; therefore the LORD your God commanded you to keep the Sabbath day.
Isaiah 40:11 He will feed His flock like a shepherd; He will gather the lambs with His arm, And carry them in His bosom, And gently lead those who are with young.
We have come to the final meditation in this journey through the Z’roah, the Arm of the LORD. From the Arm that redeemed Israel out of Egypt, to the Arm that pierced the dragon, to the Arm that is coming with reward — all of these revelations lead us here: the Arm that brings His people into rest.
Redemption is not complete until rest is secured. God’s arm not only broke Pharaoh’s power; it also gathered His people into covenant fellowship. Shabbat is the covenant sign of this rest — not a burden to bear, but a gift to receive. Israel was commanded to stop striving, not because they had accomplished enough, but because God’s Arm had already done the work. Sabbath is God’s weekly reminder: “You are not slaves. You are Mine, and you are carried.”
Isaiah’s vision shows the same truth: the Arm that split seas and struck empires now cradles lambs and carries them close. This is not a contradiction, but a completion. The Warrior Arm clears the way so the Shepherd Arm may gather His flock. In Messiah, the fullness is revealed: He conquered death, and then He spoke the invitation — “Come to Me… and I will give you rest.”
Every Shabbat, every quiet surrender to His finished work, is a rehearsal of eternity. It declares to the world and to our restless hearts: “The battle is already won. The Arm has finished the work.” And one day soon, when He returns, that rest will be eternal — the final Sabbath of God, where His people dwell in His embrace forever.
This is the last word of the Arm: rest. Not a legal duty, but a covenant delight. Not striving, but surrender. Not fear, but being held. The Arm that shattered your enemy is the Arm that now carries you home. Stop struggling. Rest in His embrace — for you are not only redeemed, you are kept.
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[worthy_plugins_devotion_single_body]We have come to the final meditation in this journey through the Z’roah, the Arm of the LORD. From the Arm that redeemed Israel out of Egypt, to the Arm that pierced the dragon, to the Arm that is coming with reward — all of these revelations lead us here: the Arm that brings His people into rest.
Isaiah’s vision looks ahead — not only to the Arm of the LORD revealed in the Exodus or even in the cross, but to the day when that same Arm will come again in glory. This is not a picture of brute force but of purposeful arrival. The Z’roah — the Arm of the LORD — comes clothed with strength to establish His rule, and He does not come empty-handed. His reward is with Him, and His work is before Him. The promise is sure: He is coming, and He is rewarding.
Isaiah recalls the Exodus as the supreme display of God’s Z’roah, His Arm of glory. Though the people saw Moses raise his staff over the Red Sea, it was not Moses’ power that split the waters. Behind the prophet’s hand was the Arm of the LORD — majestic, glorious, and unstoppable. The sea parted not to honor Moses, but to exalt the Name of the God who sent him. The Red Sea became a stage for God to reveal His glory, so that His Name would echo through generations as the Deliverer of His people.
Jeremiah uttered these words when everything around him looked hopeless. Babylon’s armies surrounded Jerusalem, the city was on the brink of destruction, and yet God told Jeremiah to buy a field as a prophetic sign that restoration would come. The prophet responded in awe: the God who created the heavens and the earth by His outstretched arm (bizroa netuyah) is not bound by human circumstances. The same God who set galaxies in place and boundaries for the seas is the God who still moves to redeem His people. Truly, nothing is too hard for Him.
Isaiah’s words summon one of the most dramatic images of God’s saving power: the Z’roah — the Arm of the LORD — cutting Rahab in pieces and piercing the dragon.
Here, Rahab is not the woman of Jericho but a poetic name for Egypt (Psalm 87:4), often symbolizing arrogant nations and the dark spiritual powers behind them. In Hebrew poetry, Rahab also evokes the sea monster of chaos, a stand-in for the forces that oppose God’s order. To say the Arm “cut Rahab in pieces” is to recall how God shattered Egypt’s pride and broke the grip of the powers that enslaved His people.
Psalm 98 is a victory psalm — a call to lift up a “new song” because the Z’roah, the holy arm of the LORD, has brought decisive triumph. In Hebrew thought, the arm is the active extension of the will, the power that brings intention into reality. To call it “holy” is to declare that it is set apart, dedicated fully to God’s purpose, incapable of corruption. The psalmist celebrates that salvation is not a hidden act, but an open demonstration — God’s righteousness revealed before the eyes of the nations.
This is one of the most intimate revelations of the Z’roah in Scripture. God looks for a human intercessor but finds none. No man can bridge the gap. So His own Arm accomplishes the work. In Hebrew, v’tosha lo zeroa — “His arm saved for Him” — reveals that salvation originates from within God Himself, not from any outside help. Isaiah adds that His own righteousness sustained Him — it upheld His resolve to save — and His fury upheld Him, a holy passion that would not rest until justice was accomplished.