For as we have many members in one body, and all members have not the same office:
All Commentaries on Romans 12:4 Go To Romans 12
Ambrosiaster
AD 400
By using the example of the body, Paul teaches that it is impossible for any one of us to do everything on our own, for we are members of each other and need one another. For this reason we ought to behave toward one another with care, because we need each other’s gifts. Commentary on Paul’s Epistles.