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Mark 13:33
Robinson-Pierpont Byzantine Textform · Berean Standard Bible
Βλέπετε, ἀγρυπνεῖτε καὶ προσεύχεσθε· οὐκ οἴδατε γὰρ πότε ὁ καιρός ἐστιν.
Be on your guard and stay alert! For you do not know when the appointed time will come.