Personal Knowledge Quotes
Make it thy business to know thyself, which is the most difficult lesson in the world
Miguel de Cervantes Saavedra (1771). “The History of the Renowned Don Quixote de la Mancha”, p.66
Matthew Simpson (1885). “Sermons”
Buffalo Bill (1893*). “Buffalo Bill (Hon. Wm. F. Cody) and His Wild West Companions: Including Wild Bill, Texas Jack, California Joe, Capt. Jack Crawford and Other Famous Scouts of the Western Plains”
Samuel Johnson (1821). “The Lives of the Most Eminent English Poets: With Critical Observations on Their Works”, p.16