He could not simply align himself with one or two of the Roman house-churches and ignore the rest. The unity he so passionately advocated was not just a pleasant ideal. It was vital for the coherence of his own mission. It was also, as he had said in Ephesians, the way in which God’s wisdom in all its rich variety would be made known to the rulers and authorities in the heavenly places. If Caesar and the dark powers that stood behind him were to be confronted with the “good news” that there was “another king, Jesus,” the community that was living by that message had to be united.
