But Sunday is the day on which we all hold our common assembly, because it is the first day on which God, having wrought a change in the darkness and matter, made the world; and Jesus Christ our Saviour on the same day rose from the dead.Ante-Nicene Fathers: The Apostolic Fathers with Justin Martyr and Irenaeus, Vol. 1, Ed. A. Cleveland Coxe (Grand Rapids, MI: Eerdmans, 2001), 186.