As Karl Barth has put it, we cannot justify, spiritually or biblically, “the existence of a plurality of churches genuinely separated … and mutually excluding one another internally and therefore externally. A plurality of churches in this sense means a plurality of lords, a plurality of spirits, a plurality of gods.” (Van Engen, 1991; quoting Barth 1958, 675) Yet we are also many members. Paul affirms the church’s oneness as a preamble to describing the pluriformity of the gifts of the Spirit that
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