NET
3 I am thankful to God, whom I have served with a clear conscience as my ancestors did, when I remember you in my prayers as I do constantly night and day.
Darby
3 I am thankful to God, whom I serve from [my] forefathers with pure conscience, how unceasingly I have the remembrance of thee in my supplications night and day,
KJV
3 I thank God, whom I serve from [my] forefathers with pure conscience, that without ceasing I have remembrance of thee in my prayers night and day;