Leviticus Chapter 19, Verse 9

9: 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.- edit KJV text
9: When thou reapest the corn of thy land, thou shalt not cut down all that is on the face of the earth to the very ground: nor shalt thou gather the ears that remain.— edit Douay text
9: And when ye reap the harvest of your land, ye shall not complete the reaping of your field with exactness, and thou shalt not gather that which falls from thy reaping.— edit LXX text