Psalm 51:12
12   Restore to me the joy of your salvation,
    and uphold me with a willing spirit.

1 Peter 5:10
10 And after you have suffered a little while, the God of all grace, who has called you to his eternal glory in Christ, will himself restore, confirm, strengthen, and establish you.

1 John 5:4
4 For everyone who has been born of God overcomes the world. And this is the victory that has overcome the world—our faith.