The document provides a lesson summary for May 23, 2015 focused on Jesus coming "to seek and to save that which was lost" as referenced in Luke 19:10. It discusses several biblical stories and passages that illustrate this, including the parables of the lost sheep, lost coin, and prodigal son. It also references the stories of Bartimaeus and Zacchaeus, and how Jesus sought and saved them. The document emphasizes that as instruments of God, Christians should seek to find lost people and bring them to Jesus.