I say the truth in Christ, I lie not, my conscience also bearing me witness in the Holy Ghost,
Berean Study Bible (BSB) - Romans 9:1 >I speak the truth in Christ; I am not lying, as confirmed by my conscience in the Holy Spirit.
Textus Receptus (TR) - Romans 9:1 >Ἀλήθειαν λέγω ἐν Χριστῷ, οὐ ψεύδομαι, συμμαρτυρούσης μοι τῆς συνειδήσεώς μου ἐν πνεύματι ἁγίῳ,