They believe that the Iglesia ni Cristo is the fulfillment of the Bible verse, Isaiah 43:5, where "east" refers to the Philippines where the Church of Christ would be founded. INC teaches that its members constitute the "elect of God" and there is no salvation outside the Iglesia ni Cristo. Faith alone is insufficient for salvation. The Iglesia ni Cristo says that the official name of the true church is "Church of Christ or Iglesia ni Cristo (in Tagalog)". The two passages often cited by INC to support this are Romans 16:16 "Greet one another with a holy kiss. The churches of Christ greet you",