1 Corinthians 12:17

If the whole body were an eye, where were the hearing? If the whole were hearing, where were the smelling?

Cross-reference

1 Corinthians 12:21 adds the opposite perspective: the eye cannot dismiss the hand, reinforcing that all parts need each other.

1 Corinthians 12:29 asks rhetorical questions about diverse gifts, illustrating why the body cannot consist of only one part.