This was to fulfill the word of Isaiah the prophet: “Lord, who has believed our message? And to whom has the arm of the Lord been revealed?”
Textus Receptus (TR) - John 12:38 >ἵνα ὁ λόγος Ἠσαΐου τοῦ προφήτου πληρωθῇ, ὃν εἶπε, Κύριε, τίς ἐπίστευσε τῇ ἀκοῇ ἡμῶν; Καὶ ὁ βραχίων Κυρίου τίνι ἀπεκαλύφθη;