Jonathan Swift, Pastoral Dialogue, line 7; reported as a proverb in Hoyt's New Cyclopedia Of Practical Quotations (1922), p. 643. Hazlitt, English Proverbs, etc. (Ed. 1869), p. 446. "Wode has erys, felde has sigt." King Edward and the Shepherd, Manuscript (Circa 1300). "Felde hath eyen, and wode hath eres." Geoffrey Chaucer, Canterbury Tales, The Knight's Tale, line 1,522. "Fieldes have eies and woodes have eares." Heywood, Proverbes, Part II, Chapter V.https://en.wikiquote.org/wiki/English_proverbs_(alphabetically_by_proverb)