Treasury of Scripture Knowledge
2 Thessalonians 2:2
That you be not soon shaken in mind, or be troubled, neither by spirit, nor by word, nor by letter as from us, that the day of the Lord is at hand.
2 Thessalonians 3:14
And if any man obey not our word by this epistle, note that man, and have no company with him, that he may be ashamed.