1 Corinthians 5:6-8 NIV

6 Your boasting is not good.1 Don't you know that a little yeast2 works through the whole batch of dough?3

References for 1 Corinthians 5:6

7 Get rid of the old yeast that you may be a new batch without yeast--as you really are. For Christ, our Passover lamb, has been sacrificed.4

References for 1 Corinthians 5:7

8 Therefore let us keep the Festival, not with the old yeast, the yeast of malice and wickedness, but with bread without yeast,5 the bread of sincerity and truth.

References for 1 Corinthians 5:8