which is an epithet of the Sky, on account of its many changes of
aspect. The Moon too has a variety of phases, whereas the Sun is
eminently the “Lord of One Face.” From another point of view the god, at
the beginning of chapter 64, is called the “Lord of Two Faces,” the
bright and the dark. The Pyramid Texts have the parallel conception of
the Two Eyes of Horus, one white and one black, ⁂⁂⁂⁂⁂
(Unas 37).