John 5:32

32Anotherἄλλοςit isἐστὶνὁbearing witnessμαρτυρῶνconcerningπερὶMeἐμοῦ,andκαὶI knowοἶδαthatὅτιtrueἀληθήςisἐστινtheἡtestimonyμαρτυρίαwhichἣνhe bears witnessμαρτυρεῖconcerningπερὶMeἐμοῦ.

It is another testifying concerning Me, and I know that the testimony that He testifies concerning Me is true.