Faithful unto blood (Polycarp) -- Heretical fathers (Tertullian and Origen) -- Fighting for truth in the imperial church (Constantine and Athanasius) -- Confession is good for the church (Augustine) -- Flames in the darkness (Patrick and the early Middle Ages) -- Is there a right way to know God? (Francis and Aquinas) -- Faith alone! Scripture alone! Luther alone? (Martin Luther) -- It's the will of God! (Calvin and Loyola) -- All English, all certain (Cranmer, Cromwell, and Bunyan) -- Moravians, Methodists, and missions (Von Zinzendorf, Carey, Wesley) -- Awakening faith, awakening conscience (Revivalism, Millerism, and Christian activism) -- The explosive twentieth century (Liberalism, mass evangelism, and Pentecostalism).