The Importance of Truth, Obedience, and Love

The book of 2nd John is a follow-up letter to the book of 1st John. It's presumably written by John the disciple, John the son of Zebedee and others. The same guy who wrote 1st, 2nd, and 3rd John all dealing with the same situation. He equips them with a threefold test for whether or not you're in Christ,. If those three things are present? Well, then you're probably in Christ. "Be diligent so that you receive your full reward"