1 Thessalonians 2:6-9

nor seeking glory of men, neither from you nor from others, when we might have claimed authority as apostles of Christ. But we were gentle in the midst of you, as when a nurse cherisheth her own children: even so, being affectionately desirous of you, we were well pleased to impart unto you, not the gospel of God only, but also our own souls, because ye were become very dear to us. For ye remember, brethren, our labor and travail: working night and day, that we might not burden any of you, we preached unto you the gospel of God.