Greek

Γρηγορεῖτε οὖν ὅτι οὐκ οἴδατε ποίᾳ ἡμέρᾳ ὁ κύριος ὑμῶν ἔρχεται

Transliterated

grēgoreite oun hoti ouk oidate poia hēmera ho kyrios hymōn erchetai

Literal English

Keep watch therefore - not understand you what days - master you comes
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