"Then shall we raise against him seven shepherds" (Micah. v. 5). Who are these seven shepherds? David in the middle: Adam, Seth, and Methuselah on his right hand; Abraham, Jacob, and Moses on his left.
Succah, fol. 52, col. 2.
Who were the seven prophetesses? The answer is, Sarah, Miriam, Deborah, Hannah, Abigail, Huldah, and Esther.
Meggillah, fol. 14, col. 2.
It is lawful to look into the face of a bride for seven days after her marriage, in order to enhance the affection with which she is regarded by her husband, and there is no Halachah (or law) like this.
Kethuboth, fol. 17, col. 1.
The Rabbis are especially careful to caution their daughters to guard against such habits as might lower them in the regard of their husbands, lest they should lose aught of that purifying and elevating power which they exercised as maidens. It is thus, for instance, Rav Chisda counsels his daughters: "Be ye modest before your husbands and do not even eat before them. Eat not vegetables or dates in the evening, and touch not strong drink." (Shabbath, fol. 140, col. 2.)
Once upon a time a demon in the shape of a seven-headed dragon came forth against Rav Acha and threatened to harm him, but the Rabbi threw himself on his knees, and every time he fell down to pray he knocked off one of these heads, and thus eventually killed the dragon.
Kiddushin, fol. 29, col. 2.
On the seventh of the month Adar, Moses died, and on that day the manna ceased to come down from heaven.