2 Corinthians 12:9
but he told me, "It is enough for you to have my grace: it is in weakness that [my] power is fully felt." So I am proud to boast of all my weakness, and thus to have the power of Christ resting on my life.
Ephesians 3:16
praying Him out of the wealth of his glory to grant you a mighty increase of strength by his Spirit in the inner man.
Ephesians 6:10
To conclude. Be strong in the Lord and in the strength of his might;
Philippians 4:13
In him who strengthens me I am able for anything.
Hebrews 12:12
So up with your listless hands! Strengthen your weak knees!
1 Peter 5:10
Once you have suffered for a little, the God of all grace who has called you to his eternal glory in Christ Jesus, will repair and recruit and strengthen you.