The Lord gives strength to His people. (Psalm 29:11, NIV)

Trust in the Lord God always, for in the Lord Jehovah is your everlasting strength. (Isaiah 26:4, TLB)

The LORD is my strength and my shield; my heart trusts in him, and I am helped. My heart leaps for joy and I will give thanks to him in song. (Psalm 28:7, NIV)

The joy of the Lord is your strength. (Nehemiah 8:10, KJV)

He gives strength to the weary and increases the power of the weak. (Isaiah 40:29, NIV)

They that wait on the Lord shall renew their strength; they shall mount up with wings of eagles; they shall run, and not be weary; and they shall walk and not faint. (Isaiah 40:31, KJV)

Be strong in the Lord, and in the power of his might. (Ephesians 6:10, KJV)

I can do all things through Christ who strengthens me. (Philippians 4:13, NKJV)

My flesh and my heart may fail, but God is the strength of my heart and my portion forever. (Psalm 73:26, NIV)

The Lord will... strengthen your frame. You will be like a well-watered garden. Like spring whose waters never fail. (Isaiah 58:11, NIV)