1 Thessalonians 2:9-10

9For you recall, brothers and sisters, our 1labor and hardship: it was by 2working night and day so as not to be a 3burden to any of you, that we proclaimed to you the 4gospel of God.

10You are witnesses, and so is 5God, of 6how devoutly and rightly and blamelessly we 7behaved toward you 8believers;