"... The idea that the Sabbath was a festive day comes from Isaiah 58:13, which calls it a day of “delight” (LXX: tryphera), a word that evokes the garden of Eden since Genesis 3:23–24 LXX calls Eden a garden of delight (tryphē). Similarly, while the Hebrew of Ezekiel refers to the garden of Eden (Ezekiel 28:13; 31:9), the LXX translator renders the Hebrew as “the garden of delight” (ho paradeisos tēs tryphēs). Philo calls the feast a symbol of the joy of the soul, using a term that includes and perhaps refers specifically to the Sabbath, a day on which it is fitting to be thankful to God. Elsewhere he says that Jews spend the Sabbath cheerfully and in tranquility. This understanding of the Sabbath is also implicit in the widespread prohibition of fasting on the Sabbath that can be found at Qumran, in Jubilees, and in later rabbinic literature. While not an explicit prohibition of fasting, the book of Judith portrays its protagonist fasting all the days of her widowhood except on the day before the Sabbath, on the Sabbath itself, and on festival days, because these were joyful days (Judith 8:6) ..."