 It is the same God who sent Jesus Christ, His Son, in order that the light might shine in the darkness of men. So Jesus is the light. In verse 5 of John 1, when it says, The light shineth in darkness, and the darkness comprehended it not. It's referring to the fact that Jesus came to a sin-cursed world in order to provide the way to a new life. The life was the light of men. The life that Jesus offered, the light that Jesus was giving, was the light of men. It was the light that man needed.