Isaiah 41:10 promises 'I will strengthen you,' directly fulfilling the promise in Isaiah 40:29 that God gives power to the faint.

Isaiah 42:3 shows God's gentle care for the bruised and faint — the same compassion that gives strength to the weak.

Hebrews 11:34 explicitly says heroes 'were made strong out of weakness'—direct fulfillment of God giving power to the faint.

Colossians 1:11 prays for strength according to God's glorious might—the same source of power for the weak.

Philippians 4:13 declares strength through Christ—a New Testament appropriation of God empowering the faint.

2 Corinthians 12:10 develops the paradox: when I am weak, then I am strong—the same divine strength in human frailty.

2 Corinthians 12:9 reveals that God's power is perfected in weakness, directly applying Isaiah's truth to Paul's thorn.

Zechariah 10:12 echoes this promise: God strengthens His people to walk in His name—same divine empowerment for the weak.

Psalm 29:11 says 'The Lord gives strength to his people,' directly paralleling the assurance in Isaiah 40:29 that God gives power to the faint.

Psalm 138:3 testifies that God increased strength when called upon — a direct testimony of the promise in Isaiah 40:29.

Psalm 73:26 declares that though flesh fails, God is strength — directly echoing the promise of strength to the faint.

Ephesians 3:16 echoes this promise of divine strengthening, specifying it's through the Spirit in the inner being.

1 Chronicles 29:12 declares that God holds power and might and gives strength to all—identical theme to Isaiah.

Psalm 119:28 asks, 'Strengthen me according to your word!' — a prayer for the very strength God promises to the faint.

Psalm 86:16 pleads for God to give strength to his servant — a request that matches the divine promise of increased strength.

Romans 14:4 says the Lord is able to make his servant stand — echoing the promise that God gives strength to the weak.

2 Chronicles 14:11 shows Asa relying on God, the helper of the weak—parallel to God giving strength to the faint, but less direct.

Deuteronomy 33:25 promises daily strength from God, reflecting the provision of power for the weak stated in Isaiah 40:29.

Genesis 49:24 recounts God strengthening Joseph's arms, exemplifying the same divine power given to the faint as in Isaiah 40:29.