You are my strength; I wait for you to rescue me, for you, O God, are my fortress. – Psalm 59:9 NLT

God is my strong fortress, and he makes my way perfect. – 2 Samuel 22:33 NLT

He gives power to the faint, and to him who has no might he increases strength. – Isaiah 40:29 ESV

But they that wait upon the LORD shall renew their strength; they shall mount up with wings as eagles; they shall run, and not be weary; and they shall walk, and not faint. – Isaiah 40:31 KJV

The Lord is my Strength and my [impenetrable] Shield; my heart trusts in, relies on, and confidently leans on Him, and I am helped; therefore my heart greatly rejoices, and with my song will I praise Him. – Psalm 28:7 AMP

For I can do everything through Christ, who gives me strength. – Philippians 4:13 NLT

My flesh and my heart may fail, But God is the strength of my heart and my portion forever. – Psalm 73:26 NASB

O LORD, you hear the desire of the afflicted; you will strengthen their heart; you will incline your ear – Psalm 10:17 ESV