Parallel
John 8:18
Nestle 1904 Greek New Testament · Berean Standard Bible
ἐγώ εἰμι ὁ μαρτυρῶν περὶ ἐμαυτοῦ καὶ μαρτυρεῖ περὶ ἐμοῦ ὁ πέμψας με Πατήρ
I am One who testifies about Myself, and the Father, who sent Me, also testifies about Me.”