The document discusses the purpose of humanity being to worship, fellowship, become like Christ, and serve God through ministry. It argues that the purpose of being on Earth is to share the Good News about Jesus with others. It discusses how Christianity is growing rapidly around the world, with 100,000 new Christians every day, and provides examples of growth in places like South Korea, Africa, Latin America, and China. The document encourages the reader to consider what they can do to share the Gospel and not let excuses prevent them from participating in mission work, as giving what you cannot keep can gain what you cannot lose.