Adam Clarke on 1 Thessalonians 1:8

From you sounded out - As Thessalonica vas very conveniently situated for traffic, many merchants from thence traded through Macedonia, Achaia, and different parts of Greece. By these, the fame of the Thessalonians having received the doctrine of the Gospel was doubtless carried far and wide. And it appears that they had walked so conscientiously before God and man, that their friends could speak of them without a blush, and their adversaries could say nothing to their disgrace.