And God said,
Let there be lights in the firmament of the heaven to divide the day from the night; and let them be for signs, and for seasons, and for days, and years:
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Cyril of Jerusalem
AD 386
Men ought to have been astonished and amazed not only at the arrangement of the sun and moon but also at the wellordered movements of the stars and their unfettered courses and the timely rising of each of them; how some are signs of summer, others of winter; how some indicate the time for sowing, others the times of navigation.