John 11:9-10
Jesus answered, "Does not the day have twelve hours? If a man travels in the daytime, he does not stumble, for he can see the light of this world;
John 12:35
Jesus said to them, "Only a little while longer you will have the light. Keep on living by it while you have the light, so that darkness may not overtake you, for whoever walks about in the dark does not know where he is going.
John 12:40
"He has blinded their eyes and benumbed their hearts, so that they cannot see with their eyes and understand with their hearts, and turn to me to cure them."
1 John 2:11
But whoever continues to hate his brother is in darkness and is living in darkness, and he does not know where he is going, because the darkness has blinded his eyes.