Leviticus 23:21 (KJV)
And ye shall proclaim on the selfsame day that it may be an holy convocation unto you ye shall do no servile work therein it shall be a statute for ever in all your dwellings throughout your generations
And ye shall proclaim on the selfsame day that it may be an holy convocation unto you ye shall do no servile work therein it shall be a statute for ever in all your dwellings throughout your generations