'Sabbath' in the Bible

Happy is the man who does this, and the son of man whose behaviour is so ordered; who keeps the Sabbath holy, and his hand from doing any evil.

And as for those from a strange country, who are joined to the Lord, to give worship to him and honour to his name, to be his servants, even everyone who keeps the Sabbath holy, and keeps his agreement with me:

If you keep the Sabbath with care, not doing your business on my holy day; and if the Sabbath seems to you a delight, and the new moon of the Lord a thing to be honoured; and if you give respect to him by not doing your business, or going after your pleasure, or saying unholy words;

And it will be, that from new moon to new moon, and from Sabbath to Sabbath, all flesh will come to give worship before me, says the Lord.