Romans 12:4

“For as we have many members in one body, etc..] The apostle illustrates what he said last concerning God's dealing to every man the measure of faith, by comparing the church of Christ to an human body, which is but one, and has many members in union with it, and one another; and which are placed in an exact symmetry and proportion, and in proper subserviency to each other, and for the good of the whole: and all members have not the same office, or “action”; they do not exercise the same function, and perform the same operation, but each that which is peculiar to itself: the eye only sees, but does not hear, nor taste, nor smell; the ear only hears, but neither sees, or does any of the…”

“For as we have many members, &c.--The same diversity and yet unity obtains in the body of Christ, whereof all believers are the several members, as in the natural body.”

“For - This word here denotes a further illustration or proof of what he had just before said. The duty to which he was exhorting the Romans was, not to be unduly exalted or elevated in their own estimation. In order to produce proper humility, he shows them that God has appointed certain orders or grades in the church; that all are useful in their proper place; that we should seek to discharge our duty in our appropriate sphere; and thus that due subordination and order would be observed. To show this, he introduces a beautiful comparison drawn from the human body. There are various members in the human frame; all useful and honorable in their proper place; and all designed to promote the…”

“12:4-5 so it is with Christ’s body: The parallel between the human body and the church—the body of Christ—is also found in 1 Cor 12. This metaphor provides an effective picture of unity and diversity in the church (cp. Livy, History 2.32; Epictetus, Discourses 2.10.4–5).”

“Co1 12:4, Co1 12:12, Co1 12:27; Eph 4:15, Eph 4:16 Romans 12:5”