“Who are the "all" to whom he says this if not his elect and his beloved, the members of his body which is the church? Therefore, he said this not only to those who then heard him speaking, but also to those who came after them and before us, as well as to us and to those who will come after us until his final coming.…”
Augustine of Hippo, 5th c. — LETTER 199, TO HESYCHIUS 3
Original
37And what I say unto you I say unto all, Watch.
Modern
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In context
35Watch ye therefore: for ye know not when the master of the house cometh, at even, or at midnight, or at the cockcrowing, or in the morning: