In the beginning, God commanded, "Let there be light," and light bloomed around the earth, banishing the darkness so He could work. He saw the light, declared it good, and divided it from the darkness, establishing day and night as part of creation. Light, coming from God, overcomes darkness and is necessary for creation, as He works in the light and approves it as good, while darkness stands as its opposite, associated with formlessness, emptiness, and futility. John introduces Jesus Christ as the Logos, the Word, who possesses inherent life, and His life is the light of men. By His life, He gives light to the world, shining out God's will, teaching, wisdom, and revelation, leading to eternal life for those who accept it. His light shines bright in the darkness, and the darkness cannot overcome it, echoing the creation where light prevailed and foretelling the ultimate victory of light over darkness. As God led Israel out of Egypt, He provided a pillar of fire by night to guide them through the wilderness, ensuring they had light to follow. He was always present, visible in the cloud by day and the fire by night, leading them toward the Promised Land. Similarly, Jesus Christ declares Himself the light of the world, guiding spiritual Israel as their beacon. He leads out of darkness into light, setting a path illuminated by His presence, drawing followers toward the Kingdom of God. Jesus emphasizes the need to work and walk in the light, for neither can be done effectively in darkness. Spiritual work and walking in His light are essential, as darkness leads to being lost. He is the true light, the light of men, the light of life, whose illumination is vital for following the path to God's Kingdom. He expands the understanding of the law with His light, revealing its deeper meaning and application through His teachings, opening the way to true righteousness. Jesus also calls His followers to be lights in the world, reflecting His light through good works so others may see and glorify the Father in heaven. As He is the light, so are His disciples to shine, producing light of their own by living according to His example. This witness elevates their role, encouraging spiritual growth among brethren and striving toward the excellence of God's Kingdom. Ultimately, Jesus Christ is the true light, giving light to every man, multifaceted in His goodness and truth. Through conversion, believers transform from darkness to light in the Lord, called to walk as children of light out of gratitude for His calling. His light produces what is good, right, and true, urging followers to discern and practice what pleases God, living godly lives and serving in love, always guided by His enduring illumination.