authority. It said, “Christians shall not Judaize and be idle on Saturday but shall work on that day; but the Lord’s day [an obvious reference to Sunday] they shall especially honor, and as being Christians, shall, if possible, do no work on that day.”15 Sabbath keeping had not died out among Christians at this time, however. There is evidence from the third, fourth, and fifth centuries that Christians had a special regard for the sabbath as well as Sunday. Some of them celebrated the Lord’s Supper
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