"That is what vexes me, and what ought to vex thee, Sancho," replied Don Quixote; "but henceforward I will endeavour to have at hand some sword made by such craft that no kind of enchantments can take effect upon him who carries it, and it is even possible that fortune may procure for me that which belonged to Amadis when he was called 'The Knight of the Burning Sword,' which was one of the best swords that ever knight in the world possessed, for, besides having the said virtue, it cut like a razor, and there was no armour, however strong and enchanted it might be, that could resist it."