‘… when it is deprived of hope and love, faith does not fully unite the believer to Christ and does not make him a living member of his Body.’ (CCC 1815)
"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.
Recently I've written about St. Jerome's view on the matter, as well as St. Ignatius of Antioch's (d. c. 110 or 117). Ignatius is described as the bishop I detail the evidence from early Fathers and Eusebius for monarchical (single) bishops being in place in cities and areas in the first and second centuries.
This is a minor abridgement of a huge dialogue, originally posted on 19 March 2002. This is from the good old Internet days (now long gone) when Wide-ranging & very substantive dialogue on many aspects of development of doctrine, with Protestant apologist Jason Engwer: concentrating on the biblical canon.