One Body, One Spirit
one Lord, one faith, one baptism; Ephesians 4:5 · Berean Standard Bible
There's one Lord (Jesus), one faith (the shared commitment to Him), and one baptism (the public sign of belonging to Him)—everything else flows from this common foundation.
In a world where people had different lords (Caesar, local gods, various philosophies), Paul is making a radical claim about allegiance and identity. Baptism was the initiation rite into the Christian community, so emphasizing 'one baptism' meant everyone enters the same way, as equals, into the same family.
Paul, continuing to unpack what unites all believers
From the very beginning of the church at Pentecost, baptism in the name of Jesus Christ was the defining mark of conversion. Paul is reminding the Ephesians that this simple act connects them to something massive and unchanging.
The theological confession deepens: one Lord (Christ), one faith (the body of convictions), one baptism (the initiatory rite sealing membership)—each element corresponds to the trinitarian structure in verse 4-6.
This reads like a fragment of early Christian baptismal confession, perhaps already liturgical in Paul's day. The structure εἷς κύριος, μία πίστις, ἓν βάπτισμα recalls the formulaic nature of the Shema in Jewish tradition, but now integrated with Christian christology. Each believer enters the community through the same water baptism, professes the same lordship, and holds the same faith.
Paul, possibly citing or adapting established confessional material that the Ephesian community would have known and affirmed.
Baptism, introduced in Acts 2:38 as the response to the Spirit's outpouring, now becomes a universal marker of Christian identity—what scholars call the 'sacramental sign' of entry into the body. The singularity of baptism (not multiple competing initiation rites) underscores the church's boundary and identity.
3and with diligence to preserve the unity of the Spirit through the bond of peace.
4There is one body and one Spirit, just as you were called to one hope when you were called;
5one Lord, one faith, one baptism;
6one God and Father of all, who is over all and through all and in all.
7Now to each one of us grace has been given according to the measure of the gift of Christ.
Read all of Ephesians 4 — Walk worthy of your calling. There is one Lord, one faith, one baptism. The church must grow up together into the fullness of Christ.
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