"As a first step towards the successful prosecution of an investigation into the true nature and character of the mysterious object we know as the Grail it will be well to ask ourselves whether any light may be thrown upon the subject by examining more closely the details of the Quest in its varying forms; i.e., what was the precise character of the task undertaken by, or imposed upon, the Grail hero, whether that hero were Gawain, Perceval, or Galahad, and what the results were to be expected from a successful achievement of the task."