John 11:9-10
Jesus answered, "Is not the day twelve hours long? If a man travels by day he will not stumble, for he can see the light of this world;
John 12:35
Jesus said to them, "You will have the light only a little while longer. Go on while you still have the light, so that darkness may not overtake you, for those who go about in the dark do not know where they are going.
John 12:40
"He has made their eyes blind and their minds dull, To keep them from seeing with their eyes, and understanding with their minds, And turning to me to be cured."
1 John 2:11
But whoever hates his brother is in darkness, and is living in darkness, and he does not know where he is going, for the darkness has blinded his eyes.