Philo Judaeus De Praemiis Et Poenis Et De Exsecrationibus 153

The cities being thus destroyed as if by fire, and the country being rendered desolate, the land will at last begin to obtain a respite, and, as one may say, to recover breath, and to look up again, after having been much exercised and harassed by the intolerable violence of its inhabitants, who drive away all the virgin periods of seven years out of the ¹ country, and discarded them from their minds; for nature taught men the only, or to speak more securely, the first festivals, namely, the recurring periods of seven days and seven years, making them times of rest, the seventh day being the period of rest for men, and the seventh year for the land.