Greek

Καὶ ἐμνήσθη ὁ Πέτρος τοῦ ῥήματος Ἰησοῦ εἰρηκότος ὅτι Πρὶν ἀλέκτορα φωνῆσαι τρὶς ἀπαρνήσῃ με καὶ ἐξελθὼν ἔξω ἔκλαυσεν πικρῶς

Transliterated

kai emnēsthē ho Petros tou rhēmatos Iēsou eirēkotos hoti Prin alektora phōnēsai tris aparnēsē me kai exelthōn exō eklausen pikrōs

Literal English

And remembered - Peter of the word of Jesus He having said - Before [the] rooster crows three times you will deny me And having gone out out he wept bitterly
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