John 11:9-10
Jesus replied, "Are there not twelve hours in the day? If one walks during the day he does not stumble, for he sees the light of this world:
John 12:35
Then Jesus said to them, "The Light will shine among you for a little longer yet; walk while you have the Light, that the darkness may not overtake you. He who walks in the dark does not know where he is going.
John 12:40
He has blinded their eyes and made their hearts insensible, to prevent them seeing with their eyes and understanding with their hearts and turning for me to cure them.
1 John 2:11
but he who hates his brother is in darkness, he walks in darkness and does not know where he is going, for the darkness has blinded his eyes.