Leviticus 19:9 in the King James Version
And when ye reap the harvest of your land, thou shalt not wholly reap the corners of thy field, neither shalt thou gather the gleanings of thy harvest.
Context
8 but everyone who eats it shall bear his iniquity, because he has profaned the holy thing of the LORD, and that soul shall be cut off from his people.
9 “‘When you reap the harvest of your land, you shall not wholly reap the corners of your field, neither shall you gather the gleanings of your harvest.
10 You shall not glean your vineyard, neither shall you gather the fallen grapes of your vineyard. You shall leave them for the poor and for the foreigner. I am the LORD your God.