Witches' Sabbath (The Great He-Goat) powdered glass, orpiment and iron oxides. He likely worked with mixed materials. Technical analysis indicates that most of the Black Paintings begun with preparatory drawings. "Witches' Sabbath" is the exception; the final composition seems to have been painted directly onto the wall. Art historian Fred Licht notes that Goya's brushwork appears "clumsy, ponderous, and rough" and lacking finish compared to his earlier work. Licht believes this was a deliberate ploy to physically convey dismay at human inadequacy and his own feelings of personal doubt. Unique in the series, "Witches' Sabbath" was not significantly altered by Goya after his initial work.
Sabbath in Christianity of Laodicea (363-364), for example, mandated only that Sabbath Eucharists must be observed in the same manner as those on the first day. Neander has suggested that Sabbath Eucharists in many places were kept "as a feast in commemoration of the Creation". The issues about Hebrew practices that continued into the 2nd century tended to relate mostly to the Sabbath. Justin Martyr, who attended worship on the first day, wrote about the cessation of Hebrew Sabbath observance and stated that the Sabbath was enjoined as a temporary sign to Israel to teach it of human sinfulness (), no longer needed