Who is the liar but he who denies that Jesus is the Christ? This is the Antichrist, he who denies the Father and the Son.

 This passage deals in phrases and thoughts which were very familiar to the ancient world. It talked much about knowing God and about being in God. It is important that we should see wherein the difference lay between the pagan world in all its greatness and Judaism and Christianity. To know God, to abide in God, to have fellowship with God has always been the quest of the human spirit, for Augustine was right when he said that God had made men for himself and that they were restless until they found their rest in him. We may say that in the ancient world there were three lines of thought in regard to knowing God. 