Leviticus 23:20-23

²⁰And the priest shall make with them together with the bread of the first-fruits a waving before the Lord, together with the two sheep; holy shall they be to the Lord for the priest.

²¹And ye shall proclaim on the self-same day, that it may be a holy convocation unto you; no servile work shall ye do; it shall be a statute for ever in all your dwellings throughout your generations.

²²And when ye reap the harvest of your land, thou shalt not cut away altogether the corners of thy field when thou reapest, and the gleaning of thy harvest shalt thou not gather up; unto the poor, and to the stranger shalt thou leave them: I am the Lord your God.

²³And the Lord spoke unto Moses, saying,