Isaiah 59:16 He saw that there was no man, And wondered that there was no intercessor; Therefore His own arm brought salvation for Him; And His own righteousness, it sustained Him.
Isaiah 63:5 I looked, but there was no one to help, And I wondered That there was no one to uphold; Therefore My own arm brought salvation for Me; And My own fury, it sustained Me.
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 z’roah — “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.
This truth is central in the Passover (Pesach) picture: Israel did not fight her way out of Egypt; she was carried out. The Lamb’s blood and the Arm’s power worked together without Israel lifting a weapon. In the same way, at the cross, Yeshua (Jesus) — the Arm of the LORD — bore the full weight of salvation without human assistance. His righteousness sustained Him through the agony, and His righteous fury burned against sin and death until they were utterly defeated.
Theologically, this leaves no room for pride. We bring nothing to redemption but our need; we do not earn it, we receive it. Just as the Arm moves only at the Head’s command, Yeshua obeyed the Father’s will flawlessly — even to the point of death. His saving work was solitary, unstoppable, and completely sufficient. His righteousness was far more than a moral attribute; it was the unwavering strength that kept Him on course to fulfill the mission His Father had ordained for Him before the foundation of the world. (1 Peter 1:19-20)
Prophetically, Isaiah 63:5 echoes this: “My own arm brought me salvation, and my fury upheld me.” This is God ensuring that the work is perfect, untouched by human failure. His fury was not uncontrolled rage, but holy determination — the fierce love of the Redeemer refusing to let His people perish. The Arm finishes what the Head purposes, and nothing in heaven, earth, or hell can stop it.
For us, this means resting in the finished work. We add nothing to the cross but our surrender. The same Arm that saved alone is the Arm that sustains continually. The righteousness that held Him to His mission is the same righteousness now covering us, and the same holy passion that upheld Him is the passion that guards and keeps us until the end.
Stop carrying burdens you were never meant to bear. Salvation is His work from start to finish — rest in it, and you will discover a strength you could never produce on your own. For His Arm accomplishes all that the Father commands, His righteousness will never fail, and soon that same Arm will lift you up and carry you all the way home.
Copyright 1999-2026 Worthy Devotions. This devotional was originally published on Worthy Devotions and was reproduced with permission.
More Devotions
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.
To “bare” the arm means to roll up the sleeve and reveal the full readiness for action. In Isaiah’s prophecy, this is a global unveiling — no longer hidden, the Z’roah is on display for all nations to witness. This speaks directly of Yeshua’s (Jesus’) public ministry and, ultimately, His crucifixion.
The Hebrew phrase “z’roah moshel lo” paints the picture of an arm that governs with both strength and care. The same Z’roah that brought Israel out of Egypt in power now establishes righteous order and sustains His people in love. Deliverance without rulership is incomplete; the Redeemer becomes the King — and the King rules as a Shepherd. The Arm does not act independently but moves in perfect submission to the Head, carrying out the will of the Father.