Leviticus 23:21 in the King James Version
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.
Context
20 The priest shall wave them with the bread of the first fruits for a wave offering before the LORD, with the two lambs. They shall be holy to the LORD for the priest.
21 You shall make proclamation on the same day that there shall be a holy convocation to you. You shall do no regular work. This is a statute forever in all your dwellings throughout your generations.
22 “‘When you reap the harvest of your land, you must not wholly reap into the corners of your field. You must not gather the gleanings of your harvest. You must leave them for the poor and for the foreigner. I am the LORD your God.’”