35Then Jesus told them, “For a little while longer, the Light will be among you. Walk while you have the Light, so that darkness will not overtake you. The one who walks in the darkness does not know where he is going.
36While you have the Light, believe in the Light, so that you may become sons of light.” After Jesus had spoken these things, He went away and was hidden from them.
— John 12:35-36

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Illustration of John 12:31-46

Inspirational illustration of John 12:31-46 -- Now is the time for judgment on this world; now the prince of this world will be driven out. I have come into the world as a light, so that no one who believes in me should stay in darkness.