2 not to be easily upset or troubled, either by a prophecyC,aa or by a message or by a letter supposedly from us, alleging that the day of the LordD,ab has come.ac 3 Don’t let anyone deceive you in any way. For that day will not come unless the apostasyE comes first and the man of lawlessnessF is revealed, the man doomed to destruction. 4 He opposes and exalts himself above every so-called godad or object of worship,ae so that he sitsG in God’s temple, proclaiming that he himself is God.

5 Don’t you remember that when I was still with you I used to tell you about this?