Which early church father, known for his letters, provides extrabiblical insight into the structure of the early church and mentions the three-fold ministry of bishop, presbyter, and deacon?
Hard
Philippians 1:1; 1 Timothy 3:1-13; Titus 1:5-9
Which early church father, known for his letters, grappled extensively with the issue of Gnosticism, emphasizing the importance of apostolic succession and the incarnation of Christ?
Hard
Various letters of Ignatius, particularly to the Smyrnaeans and Trallians