Bible Verses About The Sabbath: Punishment of those who profane

Therefore you are to keep my Shabbat, because it is set apart for you. Everyone who treats it as ordinary must be put to death; for whoever does any work on it is to be cut off from his people.

On six days work will get done; but the seventh day is Shabbat, for complete rest, set apart for ADONAI. Whoever does any work on the day of Shabbat must be put to death.

While the people of Isra'el were in the desert, they found a man gathering wood on Shabbat.

Those who found him gathering wood brought him to Moshe, Aharon and the whole congregation.

They kept him in custody, because it had not yet been decided what to do to him.

Then ADONAI said to Moshe, "This man must be put to death; the entire community is to stone him to death outside the camp."

So the whole community brought him outside the camp and threw stones at him until he died, as ADONAI had ordered Moshe.