I, II, & III John:
Polycarp was John's disciple.
I John is sometimes called the epistle of no compromise or the fellowship epistle.
I, II, and III John were all written from Ephesus.
John wrote 5 books.
I John's key word is "love" and is used 46 times.
I John's theme is Fellowship.
God is described as light and love in I John.
John is the only New Testament author that mentions the Antichrist using it 5 times.
John mentions that we can know that we have eternal life in I John 5:13.
John identifies himself as the elder in II and III John.
II John is the shortest New Testament book and contains 13 verses.
II John is written to the Elect Lady.
III John is written to a man name Gaius.
In II John the phrase "Son of the Father" is unique to the New Testament.
In II John, John warns the believers of the possibility of losing rewards.
II John contains: 2 commendations and 1 condemnation.
In III John: Gaius would Spread the Gospel. Diotrephes would Hinder the Gospel.
Demetrius would Adorn the Gospel.
For Diotrephes there was no service because there was no Love.