1 Corinthians 12:17

12:17 If the whole body were an eye, what part would do the hearing? If the whole were an ear, what part would exercise the sense of smell?

1 Corinthians 5:6

5:6 Your boasting is not good. Don’t you know that a little yeast ¹  affects ²  the whole batch of dough?

¹ 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.

² tn Grk “a little yeast leavens.”