XXX.  Have you considered the importance of the fact that a heathen writer Plato. speaks of the sun as holding the same position among material objects as God does among objects of thought?  For the one gives light to the eyes, as the Other does to the mind; and is the most beautiful of the objects of sight, as God is of those of thought.  But who gave him motion at first?  And what is it which ever moves him in his circuit, though in his nature stable and immovable, truly unwearied, and the giver and sustainer of life, and all the rest of the titles which the poets justly sing of him, and never resting in his course or his benefits?  How comes he to be the creator of day when above the earth, and of night when below it? or whatever may be the right expression when one contemplates the sun?  What are the mutual aggressions and concessions of day and night, and their regular irregularities—to use a somewhat strange expression?  How comes he to be the maker and divider of the seasons, that come and depart in regular order, and as in a dance interweave with each other, or stand apart by a law of love on the one hand, and of order on the other, and mingle little by little, and steal on their neighbour, just as nights and days do, so as not to give us pain by their suddenness.  This will be enough about the sun.