Parallel
John 3:33
Patriarchal Greek New Testament (1904) · Berean Standard Bible
ὁ λαβὼν αὐτοῦ τὴν μαρτυρίαν ἐσφράγισεν ὅτι ὁ Θεὸς ἀληθής ἐστιν.
Whoever accepts His testimony has certified that God is truthful.