1 Thessalonians 2:1-9 (ESV)
Paul’s Ministry to the Thessalonians
2:1 For you yourselves know, brothers,  that our coming to you was not in vain. 2 But though we had already suffered and been shamefully treated at Philippi, as you know, we had boldness in our God to declare to you the gospel of God in the midst of much conflict. 3 For our appeal does not spring from error or impurity or any attempt to deceive, 4 but just as we have been approved by God to be entrusted with the gospel, so we speak, not to please man, but to please God who tests our hearts. 5 For we never came with words of flattery,  as you know, nor with a pretext for greed—God is witness. 6 Nor did we seek glory from people, whether from you or from others, though we could have made demands as apostles of Christ. 7 But we were gentle  among you, like a nursing mother taking care of her own children. 8 So, being affectionately desirous of you, we were ready to share with you not only the gospel of God but also our own selves, because you had become very dear to us.
9 For you remember, brothers, our labor and toil: we worked night and day, that we might not be a burden to any of you, while we proclaimed to you the gospel of God.