Although Lancelot tried with all his strength of body and mind, although he did penances, humbled himself, and wore a hairshirt for more than a year, he never could do more than glimpse the Holy Grail from a distance, for no knight could complete the quest who was not free from sin. Only Galahad, Percival, and Bors were pure enough to be worthy, and after they successfully found the Grail, the sacred vessel was borne up to heaven and never seen again.
