who opposes and exalts himself above every so-called god or object of worship, so that he takes his seat in the temple of God, displaying himself as being God.

For the mystery of lawlessness is already at work; only he who now restrains will do so until he is taken out of the way.

If anyone does not obey our instruction in this letter, take special note of that person and do not associate with him, so that he will be put to shame.