God rested on the seventh day — and this is the first thing in the entire Bible declared holy. Not a person, not a place, not an object. A rhythm. The Sabbath principle is woven into the creation narrative itself, which means rest is not a spiritual add-on for people who've earned it. It's part of the original design of a week.
The fourth commandment in Exodus 20 is unusual: it's the only one of the Ten Commandments that includes an explanation. "Six days shalt thou labour, and do all thy work: But the seventh day is the sabbath of the LORD thy God." The word for Sabbath, shabbat, means to stop, to cease, to desist. It's a word of completion, not of laziness. The Israelite who kept Sabbath was declaring, every week, that their work did not define them — that they could stop and the world would not fall apart, because it was never held together by their effort in the first place.
Jesus doesn't abolish this principle in the New Testament — he deepens it. In Matthew 11:28–30 he invites the "heavy laden" to come to him for rest. The Greek word anapauō, translated "rest," carries the idea of giving relief, of causing to cease from labor. He's offering a quality of rest that isn't dependent on having a free Saturday. It's an interior rest — a settledness that can coexist with a full schedule because it comes from a different source than productivity.
Commentary is from a charismatic Protestant perspective, drawing on KJV text and public-domain sources including Spurgeon, Andrew Murray, and Matthew Henry.