1 Corinthians 5:6-8

Sawyer(i) 6 Your rejoicing is not good. Do you not know that a little leaven leavens the whole mass? 7 Remove the old leaven, that you may be a new mass, as you are unleavened; for Christ our passover was also sacrificed for us. 8 Let us therefore keep the feast, not with old leaven, nor with a leaven of vice and wickedness, but with the unleavened bread of sincerity and truth.