I am speaking the truth in Christ; I am not lying. My conscience offers testimony to me in the Holy Spirit
Other versions
King James Version
I say the truth in Christ, I lie not, my conscience also bearing me witness in the Holy Ghost,English Standard Version
I am speaking the truth in Christ--I am not lying; my conscience bears me witness in the Holy Spirit--New International Version
I speak the truth in Christ--I am not lying, my conscience confirms it in the Holy Spirit--