Exodus 23:11

But the seventh [year] thou shalt let it rest and lie still; that the poor of thy people may eat: and what they leave the beasts of the field shall eat. In like manner thou shalt deal with thy vineyard, [and] with thy oliveyard.

Ver. 11. But the seventh year.] That they might learn to live by faith, and be at good leisure to wait upon God. Deu 31:10-12 Let every one of us keep a spiritual Sabbath, saith Ignatius, a Mελετη νομου χαιρων, ου σωματος ανεσει, Better apaid of the meditation of the law, than of the relaxation and rest from labour.

a Ep, iii. ad Magnes.