At the end of the 1st century, the Apostle John was the wise, old apostle that Christians loved and trusted. As faulty ideas about Jesus and other doctrines began to appear, John wrote a powerful letter calling believers to hold fast to the beliefs and behaviors that align with true Christianity. As we examine John’s opening words, what does he affirm about Jesus, and why does it still matter to us today?  (Authentic Christianity, part 1)