community.”3 The word is used often with the idea of “persisting obstinately in” something—a meaning that is appropriate here.4 (1) The first feature is “the apostles’ teaching.”Considering that Jesus spent so much time teaching the crowds and his inner band of followers, it is not surprising that teaching had an important place in the early church. Jesus himself instructed his disciples to teach obedience to those who had been baptized (Matt. 28:20). What is surprising is that, while Luke’s Gospel