Hitzig maintained that in the Hebrew calendar 14th and 21st Nisan were always Sabbaths, and that 1st Nisan was always a Sunday, which was the opening day of the year.
After a reference to their descent from Abraham and their sojourn in Egypt, Aristides praises them for their worship of the one God, the Almighty Creator; but blames them as worshipping angels, and observing "sabbaths and new moons, and the unleavened bread, and the great fast, and circumcision, and cleanness of meats."
I., followed by (2) a warning not to worship according to the Greeks, with an exposure of various forms of idolatry; (3) a warning not to worship according to the Jews - although they alone think they know the true God - for they worship angels and are superstitious about moons and sabbaths, and feasts, comp. Arist.
13, where the singular use of the restrictive particle ak (EV " verily ") supported the teaching that other Sabbaths need not be observed.
But the sermons or discourses of the homiletic Midrashim are classified according to the reading of the Pentateuch in the Synagogue, either the three year cycle, or else according to the sections of the Pentateuch and Prophetical books assigned to special and ordinary Sabbaths and festival days.