Bede the Venerable

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During the time of their course, the priests of the temple were so occupied by their office, that they kept themselves not only from the society of their wives, but even from the very threshold of their houses. Hence it is said, And it came to pass, that, as soon as the days were accomplished, &c. For as there was then required a priestly succession from the root of Aaron, of necessity then a time was appointed for keeping up the inheritance. But as now not a carnal succession, but spiritual perfection, is looked for, thepriests are enjoined (in order that they might ever be able to serve the altar) the perpetual observance of chastity. It follows: But after those days, &c. that is, after the days of Zacharias’s ministration were completed. But these things were done in the month of September, the twenty-second day of the month, upon which the Jews were bound to observe the feast of the Tabernacles, just before the equinox, at which the night began to be longer than the day, because Christ must increase, but John must decrease. And those days of fasting were not without their meaning; for by the mouth of John, repentance and mortification were to be preached to men. It follows: And she hid herself. (see John 3:30.)