"Faith Alone" (sola fide in Latin) is one of the two "pillars" of the Protestant "Reformation" (along with sola Scriptura: Scripture Alone). Protestants All of the Church fathers as Protestant scholars themselves concede denied the novel Protestant doctrine and "pillar" of “faith alone” or sola fide.
It's been argued that Jesus Himself, cited by St. John in the book of Revelation (written around 95 AD), taught monepiscopacy (the notion of one bishop I examine what can be historically determined about the seven churches of Revelation 1-3 (around 95 AD), whose "angels" have been interpreted to be bishops.
+ St. Polycarp and St. Clement of Rome On Early Church Ecclesiology Gavin Ortlund is a Reformed Baptist author, speaker, pastor, and apologist for the Reformed Baptist Gavin Ortlund argues that St. Ignatius of Antioch's view of monarchical bishops is an isolated one; contradicted by other apostolic Church fathers.