1 Thessalonians 2:8-12

Having so fond an affection for you, we were well-pleased to impart to you not only the gospel of God but also our own lives, because you had become very dear to us. For you recall, brethren, our labor and hardship, how working night and day so as not to be a burden to any of you, we proclaimed to you the gospel of God. You are witnesses, and so is God, how devoutly and uprightly and blamelessly we behaved toward you believers; just as you know how we were exhorting and encouraging and imploring each one of you as a father would his own children, so that you would walk in a manner worthy of the God who calls you into His own kingdom and glory.