Exodus 21:2 If thou buy an Hebrew servant, six years he shall serve: and in the seventh he shall go out free for nothing. 10 I MC VC

Leviticus 25:3 Six years thou shalt sow thy field, and six years thou shalt prune thy vineyard, and gather in the fruit thereof; 10 I MC VC

Leviticus 25:4 But in the seventh year shall be a sabbath of rest unto the land, a sabbath for the Lord: thou shalt neither sow thy field, nor prune thy vineyard. 10 I MC VC