Exodus 12:16 (KJV)
And in the first day there shall be an holy convocation and in the seventh day there shall be an holy convocation to you no manner of work shall be done in them save that which every man must eat that only may be done of you
And in the first day there shall be an holy convocation and in the seventh day there shall be an holy convocation to you no manner of work shall be done in them save that which every man must eat that only may be done of you