Until I come, pay attention to reading, to exhortation, and to teaching.

 The very first description of a church service which we possess is in the works of Justin Martyr. About the year A.D. 170 he wrote a defence of Christianity to the Roman government, and in it (Justin Martyr: First Apology, 1: 67) he says: "On the day called the day of the Sun a gathering takes place of all who live in the towns or in the country in one place. The Memoirs of the Apostles or the writings of the prophets are read as long as time permits. Then the reader stops, and the leader by word of mouth impresses and urges to the imitation of these good things. Then we all stand together and send forth prayers." So then in the pattern of any Christian service there should be four things. 