Isaiah 57:15 revives the contrite spirit – directly parallel to strengthening weak hands, showing God’s care for the feeble.

Isaiah 40:1 expands the call to strengthen – now commanded to comfort God’s people directly.

Isaiah 40:2 specifies the comfort: declaring pardon and the end of warfare, fulfilling the strengthening command.

Isaiah 42:3 shows God's gentle care for the weak — the very people Isaiah 35:3 commands to strengthen.

Isaiah 52:2 continues the call to rise from weakness – shaking off dust and captivity, echoing the strengthening of feeble knees.

Isaiah 52:1 calls Zion to put on strength – a parallel call to activate vigor after the strengthening in Isaiah 35:3.

Hebrews 12:12 directly quotes the phrase 'strengthen your weak knees', applying Isaiah's exhortation to perseverance.

Job 4:3-4 uses identical language of strengthening weak hands and feeble knees, praising Job for doing what Isaiah commands.

Job 4:4 uses the exact same imagery of making firm feeble knees, reinforcing the call to strengthen the weak.

Hebrews 12:12-13 cites Isaiah 35:3 verbatim ('strengthen your weak knees') and applies it to the Christian walk.

1 Thessalonians 5:14 directly parallels Isaiah's command: 'encourage the fainthearted' and 'help the weak' — a clear New Testament application.

In Zephaniah 3:16, 'let not your hands grow weak' directly echoes Isaiah 35:3's call to strengthen feeble hands, reinforcing the same encouragement.

Ezekiel 21:7 uses the same imagery of weak hands and knees to describe despair in judgment — the condition that Isaiah 35:3 calls us to remedy.

In Ecclesiastes 4:10, helping a fallen companion up illustrates the strengthening of feeble hands in Isaiah.

In Psalm 31:24, the call to be strong and take heart directly parallels Isaiah's exhortation to steady knees.

Nehemiah 6:9 directly prays 'strengthen my hands'—the exact phrase echoed in Isaiah 35:3's command to strengthen weak hands.

Ezra 4:4 describes enemies weakening Judah's hands—the opposite action to the strengthening commanded in Isaiah 35:3.

2 Chronicles 15:7 commands 'do not let your hands be weak'—identical language to Isaiah 35:3's strengthening of weak hands.

In 1 Samuel 23:16, Jonathan strengthens David's hands in God—a direct fulfillment of the call to strengthen weak hands here.

Exodus 17:12 literally has Aaron and Hur holding up Moses' hands, paralleling the physical support of weak hands.

2 Samuel 4:1 describes hands growing feeble from fear—the very condition that Isaiah 35:3 commands to strengthen.