“Your zeal was so great and sincere that you, in your turn, became a model: for even in far-away countries the tale of your conversion is told with wonder.”
Ensamples. — Probably the singular should be read: the whole church became a model church.
To all that believe — i.e., now; not to those that then believed; Philippi was the only such church.
Macedonia and Achaia. — These two provinces comprised all Roman Greece. The influence of the Thessalonians spreads far beyond their own country.