Christians did not give up the Sabbath: we were never under the Mosaic Law. We did not change the Sabbath from Saturday to Sunday. We worship on Sunday, the first day of the new week (Acts:20:7And upon the first day of the week, when the disciples came together to break bread, Paul preached unto them, ready to depart on the morrow; and continued his speech until midnight.
See All...; 1 Corinthians:16:2Upon the first day of the week let every one of you lay by him in store, as God hath prospered him, that there be no gatherings when I come.
See All...), because that is the day Christ rose from the dead, bringing us into a new covenant relationship. The Sabbath pertained to the old creation: we belong to the new. It was for God's earthly people: our citizenship is in heaven. —TBC
"And upon the first day of the week, when the disciples came together to break bread..." —Acts:20:7And upon the first day of the week, when the disciples came together to break bread, Paul preached unto them, ready to depart on the morrow; and continued his speech until midnight.
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