Luke 5:25-9:42, 1 Thessalonians 4:2-5:28, 2 Thessalonians 1:1-3:2
In 2 Thess. 2:15, we are taught to live by the counsel of word of mouth and letter. These letters have become books of the Bible and this may or may not be totally wise any longer. It depends on where you base your belief.