1 Corinthians 5:6-7 NASB1995
Your boasting is not good. Do you not know that a little leaven leavens the whole lump of dough? Clean out the old leaven so that you may be a new lump, just as you are in fact unleavened. For Christ our Passover also has been sacrificed.
NASB1995: New American Standard Bible - NASB 1995