John 11:9-10
Jesus answered, Are there not twelve hours of the day? and if one walks in the day he does not stumble, because he sees the light of this world;
John 12:35
Then Jesus said to them, Yet a little while is the light with you; walk while you have the light, that darkness may not overtake you; for he that walks in darkness knows not where he goes.
John 12:40
He has blinded their eyes, and hardened their hearts, that they should not see with their eyes and understand with their hearts, and be converted, and I should cure them.
1 John 2:11
but he that hates his brother is in darkness, and walks in darkness, and knows not where he goes, because the darkness has blinded his eyes.