But he who hates his brother is in the darkness, and walks in the darkness, and doesn't know where he is going, because the darkness has blinded his eyes.

 In 2 Thessalonians 2:3-4, Paul speaks of "the man of sin," the one who exalts himself above all that is called God and all that is worshipped and who sets himself up in the very Temple of God. We do not know whom Paul was expecting, but again there is this thought of one who was the incarnation of everything which was opposed to God. 