King James Version
For God is my witness, whom I serve with my spirit in the gospel of his Son, that without ceasing I make mention of you always in my prayers;New International Version
God, whom I serve with my whole heart in preaching the gospel of his Son, is my witness how constantly I remember youCatholic Public Domain Version
For God is my witness, whom I serve in my spirit by the Gospel of his Son, that without ceasing I have kept a remembrance of yo