1 Corinthians 5:2, 6
1 Corinthians 5:2 NASB1995
You have become arrogant and have not mourned instead, so that the one who had done this deed would be removed from your midst.
1 Corinthians 5:6 NASB1995
Your boasting is not good. Do you not know that a little leaven leavens the whole lump of dough?