John 11:9-10
Jesus replied. "Are there not twelve hours in the daytime? If any one walks in the daytime he does not stumble, because he beholds the light of this world;
John 12:35
"The Light is among you a little longer," answered Jesus. "Walk while you have the Light, lest darkness overtake you. He who walks in the darkness does not know where he is going.
John 12:40
He hath blinded their eyes and make their hearts hard, Lest they should see with their eyes, perceive with their minds, And should turn, and I should heal them.
1 John 2:11
But he who hates his brother is in the darkness, and is spending his life in the darkness, and does not know where he is going, because the darkness has blinded his eyes.