John 11:9-10
"Are not there twelve hours in the day?" answered Jesus. "If a man walks about in the day-time, he does not stumble, because he can see the light of the sun;
John 12:35
"Only a little while longer," answered Jesus, "will you have the Light among you. Travel on while you have the Light, so that darkness may not overtake you; he who travels in the darkness does not know where he is going.
John 12:40
'He has blinded their eyes, and blunted their mind, so that they should not see with their eyes, and perceive with their mind, and turn--And I should heal them.'
1 John 2:11
while he who hates his Brother is in the Darkness, and is living in the Darkness, and does not know where he is going, because the Darkness prevents his seeing.