One Body
All Christians are thus baptized into one body by Christ; the Spirit is the medium of that baptism. But life in this body is governed by the means Christ establishes for his people’s development and growth: in particular by the ordinances of baptism, the Lord’s Supper and ministry.
Sinclair Ferguson, The Holy Spirit, ed. Gerald Bray, Contours of Christian Theology (Downers Grove, IL: InterVarsity Press, 1996), 194.