1 Peter 2:5,9 You also, as living stones, are built up as a spiritual house, to be a holy priesthood, to offer up spiritual sacrifices, acceptable to God through Jesus Christ. But you are a chosen race, a royal priesthood, a holy nation, a people for God’s own possession, that you may show forth the excellencies of him who called you out of darkness into his marvelous light.
Believers in Messiah Yeshua (Jesus) have all been inducted into a priesthood by the new birth, a New Covenant priesthood established by the Lord Himself, in the order of Melchizidek [Psalm 110:4; Hebrews 7:11]. While the Old Testament Levitical priesthood was limited exclusively to the sons of Aaron, all New Testament believers in Messiah are called a “Royal priesthood” [1 Peter 2:5; 2:9].
Exodus 28 describes the exquisite beauty of the holy clothing to be worn by Aaron and his sons. Anyone beholding these men in full priestly dress would be struck with wonder and admiration at the beauty and significance of this majestic, bejeweled array of garments. The impression created by the Levitical priests and their sacred adornment could be likened to the New Covenant believer’s outward appearance, which should also be obvious to others; the beauty of good works, tenderheartedness, joyful countenance, etc.
Yet there is another parallel, perhaps even more important: when dressing himself for his priestly ministry, the Levitical High Priest actually begins by donning his linen undergarments. These, of course, are invisible to others, yet are the garments closest to his body, and could be likened to his invisible inner life.
Yeshua’s Sermon on the Mount speaks to this invisible area of human nature and its propensity to sin. We may appear quite religious and lovely outwardly, impressing others with cultivated behavior, and good deeds, while our “undergarments” are soiled and anything but holy. But, of course, the undergarments of the High Priest were also required to be holy, even though no one would ever see them.
Your outer life and behavior will reveal a great deal about you, as your face and actions reflect your heart, character, and values. But the source of all that is visible in your life must correspond to that which is hidden…your “spiritual undergarments”; i.e. your inner life with the Lord. The holiness of God should permeate every facet of our lives, so what we walk out in public flows from our private communion with Him.
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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.