Charles Spurgeon Commentary 1 Corinthians 12:17

"If the whole body were an eye, where were the hearing? If the whole were hearing, where were the smelling?" — 1 Corinthians 12:17 (ASV)

If the whole were hearing, where were the smelling? (1 Corinthians 12:17).

There must be different members to fill different offices. If we were all so one that there was no distinction whatever, if we were all of one rank, all of one age, all of one standing, the body would be incomplete.