This sermon explores the Gospel of John, emphasizing Jesus as the source of divine eternal life (*Zoe*) and light, contrasting it with human temporal life (*psuche*). John, who witnessed Jesus's teachings firsthand, shares how Jesus offers transformative eternal life. The sermon highlights that accepting Jesus eradicates inner darkness, leading to profound change and joy. It calls for believers to fully surrender to Jesus, allowing His light to cleanse and renew them. The sermon challenges listeners to choose between eternal life and spiritual darkness, underscoring the fulfillment that comes from living for Christ.