John 17:21-23 that they all may be one, as You, Father, are in Me, and I in You; that they also may be one in Us, that the world may believe that You sent Me. And the glory which You gave Me I have given them, that they may be one just as We are one: I in them, and You in Me; that they may be made perfect in one, and that the world may know that You have sent Me, and have loved them as You have loved Me.
The Moravian revival, our current subject, began in the little community of Herrnhut on August 13, 1727, with a tremendous outpouring of the Holy Spirit likened to that of Acts 2. It was a work of God that would transform this group of splintered Christian settlers into a unified missionary endeavor committed to reaching the unsaved around the world.
To that end, the “Moravian Revival” established a prayer meeting that would last around the clock for over 100 years. That day, community members departed the church meeting in holy awe, “hardly knowing whether they belonged to earth or had already gone to Heaven.”
Their recorded description of this experience:
“We saw the hand of God and his wonders, and we were all under the cloud of our fathers baptized with their Spirit. The Holy Ghost came upon us and in those days great signs and wonders took place in our midst. From that time scarcely did we beheld His almighty workings amongst us. A great hunger after the Word of God took possession of us so that we had to have three services every day. Everyone desired above everything else that the Holy Spirit might have full control. Self-love and self-will as well as disobedience disappeared and an overwhelming flood of grace swept us all out into the great ocean of Divine Love.”
Years later, Zinzendorf spoke of the event, “We needed to come to the communion with a sense of the loving nearness of the Savior. This was the great comfort which has made this day a generation ago to be a festival, because on this day twenty-seven years ago the Congregation of Herrnhut assembled for communion (at the Berthelsdorf church) were all dissatisfied with themselves. They had quit judging each other because they had become convinced, each one, of his lack of worth in the sight of God and each felt himself at this communion to be in view of the noble countenance of the Savior.
What changed this community was a holy and piercing inspection of their lives in the light of Almighty God – a devotion to each other despite their differences – and a passion for the commission that God gave them.
May we too learn such humility and know such passion…
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[worthy_plugins_devotion_single_body]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.