John 11:9-10
Jesus answered, Are there not twelve hours in the day? If any man walk in the day, he stumbleth not, because he seeth the light of this world.
John 12:35
Who is this Son of man? Then Jesus said to them, Yet a little while is the light with you. Walk while ye have the light, lest darkness overtake you, for he that walketh in darkness, knoweth not whither he goeth.
John 12:40
He hath blinded their eyes, and hardened their hearts, that they might not see with their eyes, and understand with their heart, and be converted, that I might heal them.
1 John 2:11
But he that hateth his brother, is in darkness, and walketh in darkness, and knoweth not whither he goeth, because darkness hath blinded his eyes.