“On the fifteenth day of the seventh month is a seven-day festival of Sukkot to G‑d . . . The eighth day shall be a holy occasion for you . . . a [day of] detention (‘atzeret’).” [This is comparable to] a king who invited his children for a banquet of several days. When it came time for them to go, he said to them: “My children, please, stay with me one more day—your parting is difficult for me . . .”