6Ga 5.9. Stop being proud! Don’t you know how a little yeast can spread through the whole batch of dough?
7Ex 12.4,5. Get rid of the old yeast! Then you will be like fresh bread made without yeast, and this is what you are. Our Passover lamb is Christ, who has already been sacrificed.
8Ex 13.7;Dt 16.3,4. So don’t celebrate the festival by being evil and sinful, which is like serving bread made with yeast. Be pure and truthful and celebrate by using bread made without yeast.