2 Corinthians 5:21

5:21 God made the one who did not know sin to be sin for us, so that in him we would become the righteousness of God.

2 Corinthians 6:14

Unequal Partners

6:14 Do not become partners with those who do not believe, for what partnership is there between righteousness and lawlessness, or what fellowship does light have with darkness?

2 Corinthians 13:9

13:9 For we rejoice whenever we are weak, but you are strong. And we pray for this: that you may become fully qualified.