Three voices stand close to the foundation of the Church today—Papias preserving the living voice of the apostles, Augustine tracing the hidden hand of providence in his own conversion, and Aquinas clarifying how the word “person” speaks of relation within the Trinity. In the fragments of Papias we hear a bishop who preferred careful memory over speculation, who questioned those who had known Andrew, Peter, John, and the others, and who believed that what comes from the “living and abiding voice” surpasses what is merely written. We also glimpse his vivid kingdom imagery—vines of staggering abundance and the promise that “the wolf shall lie down with the lamb” (Isaiah 11:6). Augustine, reflecting on Faustus and the unraveling of Manichaeism in his life, confesses that God’s providence was guiding him all along: “The steps of a man are ordered by  ...