[for] he opposes [the true Gospel message] and exalts himself against everything that is called "God" or that which is worshiped. So, he sits in God's temple [i.e., the church ?] displaying himself as [though he were] God.

The way you are faithfully enduring [such] suffering for the kingdom of God is clear evidence that God's judgment is right in [eventually] counting you worthy of it [i.e., of entering the eternal phase of the kingdom].