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