Leviticus 19:9 And 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. Torrey's Topical Textbook
Ruth 2:3 And she went, and came, and gleaned in the field after the reapers: and her hap was to light on a part of the field belonging to Boaz, who was of the kindred of Elimelech. Torrey's Topical Textbook