What does the Bible say about Christ as the light of the world?

The gospel of John introduces Christ as the light of the world, emphasizing the truth of God shining in the moral and spiritual darkness of humanity. In John 1:4-5, it states that 'In Him was life, and the life was the light of men. The light shines in darkness, and the darkness has not comprehended it.' This signifies that while all have physical life, true spiritual life and enlightenment come only through faith in Christ. His light reveals our need for salvation and guides us out of the darkness of sin and death, illuminating the path to eternal life.