Christians are told to desire spiritual gifts and to have the gifts of the Spirit. What are they? How are they granted? What about faith, knowledge, wisdom, prophecy, dreams, healings, tongues, and love? What gifts are the most important for a Christian to develop?

The Apostle Paul wrote that the mystery of lawlessness existed in his day, but in the end times the 'man of sin,' the 'son of perdition' would rise up. Why will the world tolerate this? What about signs and lying wonders, economic blackmail, and persecutions? Why is the mystery of iniquity? Do most professing Christian faiths practice the 'mystery of lawlessness'?

Dr. Thiel continues the series of going through answering questions that were commonly posed to the old Worldwide Church of God. Using a binder that many speakers were given by that church that contained standardized letters that were sent to answer questions, Dr. Thiel answers them.

Various churches claim to have something termed 'apostolic succession.' Does any church have this? Where does the concept teach? Is there biblical support for apostolic succession? Is the doctrine of the laying on of hands related? Did the gospel writer Mark found the Alexandrian Orthodox Church? How long could the Church of God in Antioch have held true succession?

Is the Continuing Church of God Protestant? How does the true Church of God differ from Protestantism? What about the history of the true Church of God vs. Protestantism? Was the original church Protestant or Church of God? What are some of the doctrinal differences between the Continuing Church of God and Protestantism?

Were original Christian church services like today's Roman Catholic mass? Were they like modern Protestant or Eastern Orthodox church services? What does the Bible reveal? What do we learn from early church history? What do Roman Catholic, Eastern Orthodox, and Protestant scholars teach?

While there have been many groups calling themselves Christians over the centuries, there essentially have been two groups. One group that held to the practices and doctrines of the apostles, with another group incorporating non-biblical traditions and practices. Early theological writers identified the two major groups in the second century.