TSK · Exodus 34:21

You shall labor six days, and do all your work,

"Six days you shall do your work, and on the seventh day you shall rest, that your ox and your donkey may have rest, and the son of your handmaid, and the alien may be refreshed.

"Observe the Sabbath day, to keep it holy, as Yahweh your God commanded you.

and he will appoint them to him for captains of thousands, and captains of fifties; and [he will set some] to plow his ground, and to reap his harvest, and to make his instruments of war, and the instruments of his chariots.

The ruler of the synagogue, being indignant because Jesus had healed on the Sabbath, said to the multitude, "There are six days in which men ought to work. Therefore come on those days and be healed, and not on the Sabbath day!"