Isaiah 40:29-31
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What's often missed is that God's strength isn't just for those who try and fail, but specifically for those who are already aware of their lack of strength. Their consciousness of weakness becomes the very condition for receiving His power.
He gives power to the faint, and to him who has no might he increases strength. Even youths shall faint and be weary, and young men shall fall exhausted; but they who wait for the LORD shall renew their strength; they shall mount up with wings like eagles; they shall run and not be weary; they shall walk and not faint.
English Standard Version (ESV)
The people of Israel are feeling forgotten and despairing in their Babylonian exile, questioning if God sees or cares about their suffering. This chapter serves as a powerful divine rebuttal, contrasting God's infinite power and wisdom with the frailty of humanity and the futility of idols. Isaiah then begins to paint a picture of God's glorious restoration, assuring His people that He is their ever-present source of strength.
Ever feel like you're running on empty, completely drained with nothing left to give? You're not alone, and your weakness is exactly where God meets you.
Isaiah 40:29 isn't just a comforting thought; it's a profound theological truth about God's character and how He interacts with His people.
The Divine Source of Power
The verse highlights that God is the source of power. He doesn't just lend it out; He actively gives it to those who are 'faint' – those who are weary, depleted, and feel they can't go on. This isn't for the strong, but for the weak.
Increasing Strength from Nothing
And then it gets even more radical: 'to him who has no might he increases strength.' This speaks to a deeper level of helplessness. It's not just about being tired; it's about feeling utterly powerless. God takes that 'no might' and multiplies it. It implies that our perceived lack of strength is the very condition God uses to demonstrate His power in us.
Feeling drained? The secret to getting your strength back isn't pushing harder, but learning to wait. Discover what 'waiting on the Lord' truly means.
The immediate context following Isaiah 40:29, particularly in verses 30-31, reveals the crucial element for experiencing God's strength: waiting on the Lord.
More Than Just Patience
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'Waiting on the Lord' isn't passive idleness. It's an active reliance, a hopeful trust, and a conscious turning to God for help and deliverance. It means acknowledging our own limitations and choosing to depend on His timing and His power, rather than our own.
The Promise of Renewal
When we wait on God, the promise is extraordinary: we 'renew our strength.' This isn't just getting a temporary boost; it's a deep, spiritual renewal. We are enabled to 'mount up with wings like eagles' – to rise above our circumstances with divine power and swiftness, conquering challenges we never thought possible.
Understand the original words
ya'eph · Hebrew Adjective
Describes the state of losing strength, becoming weak, or succumbing to the physical and spiritual limitations of human nature.
koach · Hebrew Noun
The inherent capacity, effectiveness, or dynamic capability of God that He imparts to His people to enable them to endure beyond their natural limits.
kashal · Hebrew Verb
A complete state of physical or spiritual depletion; it signifies the end of human self-reliance and the point of utter incapacity.
qavah · Hebrew Verb
In this context, it implies a confident, expectant, and patient trust in God's promises. It is not passive inactivity, but an active, faithful reliance on God's timing and character while enduring circumstances.
Yahweh · Hebrew Noun
Refers to the covenant God of Israel, the self-existent One who is faithful to His people and fulfills His promises. He is the sovereign Creator and Redeemer.
koach · Hebrew Noun
Often used to describe physical or spiritual power and vitality. In the context of divine provision, it represents the vigor and capacity granted by God to endure or accomplish His purpose.
chalaph · Hebrew Verb
To grow or sprout anew; to exchange old for new. In Scripture, it signifies the supernatural restoration of vitality or ability that comes through communion with God.
alah · Hebrew Verb
To ascend or fly upward. In this context, it serves as a metaphor for spiritual elevation and being lifted above the trials and exhaustion of the world.
nesher · Hebrew Noun
In the biblical worldview, the eagle is associated with divine protection, swiftness, and strength. It represents a perspective that rises above earthly obstacles.
yaga · Hebrew Verb
A state of becoming exhausted, depleted, or drained of energy. Biblically, it refers to the loss of both physical endurance and spiritual resolve in the face of ongoing hardship.
ayef · Hebrew Verb
To grow weak, exhausted, or lose heart. It often carries the sense of failing to persist or giving up under the weight of trials.
These words of comfort and strength from Isaiah were likely spoken to a people devastated by the destruction of their capital and the Temple in Jerusalem, facing the profound weakness and despair of exile.
c. 722 BC
Fall of Samaria
The northern kingdom of Israel is conquered by the Neo-Assyrian Empire, leading to the deportation of many Israelites.
c. 701 BC
Assyrian Invasion of Judah
King Sennacherib of Assyria invades Judah, besieging Jerusalem but ultimately failing to capture it.
597 BC
First Deportation to Babylon
Nebuchadnezzar II of Babylon conquers Jerusalem and exiles key leaders and craftsmen, including the prophet Ezekiel.
586 BC— this verse
Destruction of Jerusalem
Babylon destroys Jerusalem and its Temple, exiling the majority of the remaining population. This marks the beginning of the Babylonian Exile.
c. 540 BC
Isaiah's Ministry in Exile
The prophet Isaiah (or Deutero-Isaiah) offers words of comfort and hope to the exiles in Babylon, promising future restoration.
539 BC
Fall of Babylon
Cyrus the Great of Persia conquers Babylon, paving the way for the return of the Jewish exiles.
This passage directly echoes Isaiah's promise, showing how God's power is made perfect in our human weakness, confirming that our strength is found when we acknowledge our own limitations.
Psalm 103:5The imagery of renewed youth, likened to the eagle, connects with the idea of God providing enduring strength and vitality, allowing us to soar above our challenges.
Matthew 11:28Jesus extends an invitation to all who are weary and burdened, offering rest and solace, which is a direct application of God's promise to refresh those who feel faint and overwhelmed.
Philippians 4:13This verse speaks to the believer's ability to face any circumstance through Christ's strength, aligning with Isaiah's message that God infuses power into those who are lacking.
bensonIsaiah 40:29: "He giveth power to the faint; and to them that have no might he increaseth strength."
Isaiah 40:29-31 . He giveth power to the faint — He hath strength enough, not only for himself, but for all, even the weakest of his creatures, whom he can easily strengthen to bear all their burdens, and to vanquish all their oppressors. The prophet seems to speak with an especial reference to those among God’s people whose faith and hope were very low, which he would support, even until the ti…
barnesIsaiah 40:29: "He giveth power to the faint; and to them that have no might he increaseth strength."
He giveth power to the faint - To his weak and feeble people. This is one of his attributes; and his people, therefore, should put their trust in him, and look to him for aid (compare 2 Corinthians 12:9 ). The design of this verse is to give consolation to the afflicted and down-trodden people in Babylon, by recalling to their minds the truth that it was one of the characteristics of God that he…
What's often missed is that God's strength isn't just for those who try and fail, but specifically for those who are already aware of their lack of strength. Their consciousness of weakness becomes the very condition for receiving His power.
The people of Israel are feeling forgotten and despairing in their Babylonian exile, questioning if God sees or cares about their suffering. This chapter serves as a powerful divine rebuttal, contrasting God's infinite power and wisdom with the frailty of humanity and the futility of idols. Isaiah then begins to paint a picture of God's glorious restoration, assuring His people that He is their ever-present source of strength.
The people of Israel are feeling forgotten and despairing in their Babylonian exile, questioning if God sees or cares about their suffering. This chapter serves as a powerful divine rebuttal, contrasting God's infinite power and wisdom with the frailty of humanity and the futility of idols. Isaiah then begins to paint a picture of God's glorious restoration, assuring His people that He is their ever-present source of strength.
"He gives power to the faint, and to him who has no might he increases strength. Even youths shall faint and be weary, and young men shall fall exhausted; but they who wait for the LORD shall renew their strength; th…" — What's often missed is that God's strength isn't just for those who try and fail, but specifically for those who are already aware of their lack of strength. Their consciousness of weakness becom…
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Last reviewed October 2026
