1 Thessalonians 2:9-12

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. ¹⁰ You are witnesses, and God also, how holy and righteous and blameless was our conduct toward you believers. ¹¹ For you know how, like a father with his children, ¹² we exhorted each one of you and encouraged you and charged you to walk in a manner worthy of God, who calls you into his own kingdom and glory.