5:6 Your boasting is not good. Don’t you know that a little yeast10 affects11 the whole batch of dough? 5:7 Clean out the old yeast so that you may be a new batch of dough—you are, in fact, without yeast. For Christ, our Passover lamb, has been sacrificed.
sn In this passage (5:6–8) yeast represents the presence of evil within the church, specifically the immoral person described in 5:1–5 and mentioned again in 5:13.