Back in 1963, Marvin Gaye recorded a minor-hit song that became so popular that it was covered at least nine times, including by the Temptations and Lee Michaels, who made it a hit in 1971. The song, “Can I get a Witness.” Today’s text immediately brought this chorus to mind…and you’ll shortly see why. Today, John finishes his letter to the congregations in modern-day Western Turkey threatened by the false teaching of Cerinthus and his followers. John has spent time and energy, helping those Christians discern who is the true Christian.  To wrap up his letter he focuses our attention on three key words: testimony, faith, and to know.