Did Jesus and the apostles address the Sabbath, and how do we keep it?

Yes, and the answer is not vague. Yeshua (Jesus) addressed the Sabbath directly, the writers who followed him kept it without apology, and Scripture is specific about how it is to be honored.

Start with Yeshua. He kept the Sabbath his whole life: on the Sabbath day he went into the synagogue, as was his custom (Luke 4:16). He taught in it and he healed in it, and he settled one thing about how the day is kept: it is lawful to do good on the Sabbath (Matthew 12:12). When men tried to bury the day under their own rules, he gave its real purpose: the Sabbath was made for man, not man for the Sabbath, so the Son of Man is lord even of the Sabbath (Mark 2:27-28). He never abolished it. He restored it, and he showed that mercy, healing, and doing good belong on it.

The writers who followed kept it too. The women who loved him rested on the Sabbath according to the commandment, even in their grief at his death (Luke 23:56). Sha'ul (Paul) reasoned in the synagogue every Sabbath, as his regular practice (Acts 17:2, Acts 18:4). And the letter to the Hebrews states it outright: there remains a Sabbath rest for the people of God (Hebrews 4:9). Not one of them treated it as finished.

So how did Scripture say to celebrate it? Four things stand out. First, stop working: you shall not do any work, you, your household, even the worker and the animal under your roof (Exodus 20:8-11). The rest is not just for you; it lifts the burden off everyone in your care. Second, prepare ahead, so the day itself stays unhurried. Israel gathered a double portion the day before, cooking and readying things in advance so no one had to labor on the Sabbath (Exodus 16:23). Third, gather: it is a holy assembly, a day to come together around the Word, not to spend alone (Leviticus 23:3). Fourth, make it a delight rather than a grind: if you turn back from doing your own pleasure and call the Sabbath a delight, you will take delight in the LORD himself (Isaiah 58:13-14).

Here is what that looks like today. Friday at sundown, you close the laptop and leave the inbox unanswered. The project that is not finished stays unfinished until Saturday evening, on purpose. You do not run the errands or catch up on work. Instead you share a meal, light a candle to mark the day's beginning, put the phone down, take the walk, sleep without an alarm, open the Word with people you love. And here is the quiet lesson hidden in the stopping: the world keeps turning without your striving. The deadlines survive a day. You are not the one holding it all together, and for twenty-four hours you let your hands prove it. That is the rest Hebrews is pointing at, ceasing from your own works as God ceased from his (Hebrews 4:10). A people who never stop are telling themselves a lie about who keeps the world running; the Sabbath is God's weekly correction of that lie, and it is a kindness.

Be Berean, and do not take it from me: read Luke 4:16, Mark 2:27-28, Isaiah 58:13-14, and Hebrews 4:9-10 for yourself, and you will find the Sabbath right where Yeshua and his followers left it, still kept, still blessed, still waiting for you to enter the rest. The cessation at the heart of it is the very meaning of the word Shabbat.