Leviticus 25:2-4

²Speak thou to the sons of Israel, and thou shalt say to them, When ye have entered into the land which I shall give to you, the earth keep the sabbath of the Lord;

³six years thou shalt sow thy field, and six years thou shalt cut thy vine-yard, and thou shalt gather the fruits thereof;

⁴forsooth in the seventh year shall be the sabbath of the earth, of the resting of the Lord; thou shalt not sow the field, and thou shalt not cut the vineyard,