Exodus 23:10-12

10“For six years you are to sow your land and gather the increase.

11But during the seventh year you are to let it rest and lie fallow, so that the poor among your people may eat. Whatever they leave behind, the animals of the field may eat. You are to deal with your vineyard and your olive grove in the same way.

12“You are to do your work for six days, but on the seventh day you will rest, so that your ox and your donkey may have rest, and also the son of your handmaid and the outsider may be refreshed.