In chapter 1 Paul talked about this church being “imitators” of him and his ministry companions (which is a theme he will revisit later in chapter 2). In between these discussions of imitation is a call to recall how Paul, Silas and Timothy were while they were in their midst. This all ties together because if this church or any church sought to take seriously the instruction to imitate, they must be shown what it is they ought to be imitating. Paul does a wonderful job of doing just that here, while ever encouraging his readers to remain fixed on Jesus. 
(1 Thessalonians 2:1-12)