1 Thessalonians 2:9 in the King James Version
For ye remember, brethren, our labour and travail: for labouring night and day, because we would not be chargeable unto any of you, we preached unto you the gospel of God.
Context
8 Even so, affectionately longing for you, we were well pleased to impart to you not the Good News of God only, but also our own souls, because you had become very dear to us.
9 For you remember, brothers, our labor and travail; for working night and day, that we might not burden any of you, we preached to you the Good News of God.
10 You are witnesses with God how holy, righteously, and blamelessly we behaved ourselves toward you who believe.