The light of the city standing on top of the mountain is the light of Jesus Christ, the light of His Gospel and His life, which permeates the hearts of those He has saved. In order for us to shine, it is not enough to have only calls and desires. To shine, we need to have light within ourselves; we need to be a source of light. This is exactly what Jesus Christ spoke about when He met the woman in the city of Samaria. What does living water mean? How can we learn to drink it? How can we become a source of this water for the people around us?