He who reaps receives wages, and gathers fruit to eternal life; that both he who sows and he who reaps may rejoice together.

 John did not invent the title. In the Old Testament God had often been called the God of salvation, the Saviour, the saving God. Many of the Greek gods had acquired this title. At the time John was writing the Roman Emperor was invested with the title Saviour of the World. It is as if John said: "All that you have dreamed of has at last in Jesus come true." 