1 Thessalonians 2:9

Ye remember, brethren, our labour and travail. There was hard and exhausting labor, "night and day". The apostle was not willing to be chargeable to them; hence, while preaching "in season, out of season" (2Ti 4:2), he labored at his trade for a support. To this day the weaving of black cloths for tents is a great industry at Thessalonica.
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