John 19:35

35Andκαὶthe [one]ὁhaving seenἑωρακὼςhas borne witnessμεμαρτύρηκεν,andκαὶtrueἀληθινὴof himαὐτοῦisἐστινtheἡtestimonyμαρτυρία,AndκαὶHeἐκεῖνοςknowsοἶδενthatὅτιtruthἀληθῆhe is speakingλέγει,thatἵναalsoκαὶyouὑμεῖςmight believeπιστεύητε.

And the one having seen has testified, and his testimony is true. And he knows that he is speaking the truth, so that you⁺ also might believe.