He affirms that since the fall of man, and on account of it, the sun and moon shine with a feebler light; but he proves from a text in Isaiah that when the world shall be fully redeemed these "great lights" will shine again in all their early splendour.
But, despite these authorities and their theological finalities, the evolution of scientific thought continued, its main germ being the geocentric doctrine--the doctrine that the earth is the centre, and that the sun and planets revolve about it.( 40) (40) For passage cited from Clement of Alexandria, see English translation, Edinburgh, 1869, vol.ii, p.

368; also the Miscellanies, Book V, cap.vi.For typical statements by St.Augustine, see De Genesi, ii, cap.

ix, in Migne, Patr.Lat., tome xxiv, pp.

270-271.

For Origen's view, see the De Principiis, lib.