"Why, you know you never did; what was it?"
"Well, to be sure, if I have never told you that, we ought not to lose another minute about it. But you must forget everything that you have heard lately and go away back, for that is where this story begins. After Merlin had taken good care of King Vortigern and of King Pendragon, King Arthur's uncle; and King Uther Pendragon, Arthur's father; and of King Arthur himself; after he had set him on his throne and had helped him to win battles and to get his sword Excalibur, what do you think Merlin did? You would think that he was old enough to know better, only I believe nobody is ever old enough to know better. He fell in love.
"Merlin knew everything, and so he knew that he was going to fall in love. He knew, too, that because of his falling in love he should go away from the court and away from the King and away from all the world, and that after that he should never be of any use again to the King or to England or to the world. Merlin knew, and yet he could not help it. Merlin could rule kingdoms and set up and cast down kings, yet there was one power in the world that he could not rule and could not resist. He could not save himself from the end that he knew was coming. He told King Arthur that he should leave him soon and should never see him again, and King Arthur tried to reason with him and to make him use his magic against his fate. But Merlin said that no magic could do any good; in this one thing he was helpless; when the time came he must go, and the time was coming soon.
"And who was it, do you suppose, that Merlin was in love with? It was Nimue, the Lady of the Lake, Lancelot's Fairy Mother. He met her in a forest over in France, where she had her home. He taught her magic and he made a splendid palace by magic and filled it with knights and ladies for her, and there they had feasts and dances and games. One day she asked him to show her how she could put to sleep any one whom she chose, so that he could not awake till she should let him awake. And Merlin knew that it was himself whom she wished to put to sleep so, yet he knew that it was fate that he should tell her, and so he told her.
"They used to meet in the forest near a spring that was famous afterward, for the water of the spring used to bubble up when anything of iron or copper or brass was thrown into it, and the children who knew the spring threw pins into it and said: 'Laugh, spring, and I will give you a pin,' and then the spring would laugh for them. Merlin sat often beside the spring with Nimue and taught her magic. He taught her so much that at last there was nobody in the world who knew so much of it as she, except himself and perhaps King Arthur's sister, Queen Morgan-le-Fay.
"Then another time Nimue begged Merlin to teach her how one man or woman could be shut up by another, so that he never could get away again, so that no one could ever come to him but the one who had worked the spell, so that he could never see any but that one, and no one could break the spell but the one who made it. Then Merlin was sad again, for he knew that Nimue loved him so much that she wanted to keep him all to herself and never to let any one else see him or hear of him. And he knew, too, that she must have her way in this. 'I know,' he said, 'what it is that you wish, and I love you so much that I know that I must do what you ask.'
"'If you know what it is that I wish,' she said, 'you know that I want a place where we can be together always, only we two, where nobody else can ever come to us and where I shall never see any one but you and you will never see anyone but me. Surely, when I love you so much as you know I do, you should love me enough for that.'
"And still Merlin was sad, knowing that this was to be the end of all his work for the King and for the world, but he answered: 'I will do what you ask. I will make a place where we two can be and no one else can ever come to us or see us or know of us.'
"But Nimue said: 'I do not wish it so; you must teach me the magic, so that I can do it myself. Then I will make the enchantment when I please.'
"So Merlin, knowing that it was fate and that there was no other way, taught her all the charms by which she could do what she wished. He taught her how to walk about in circles and how to wave her hands and what words to say. And she learned it and remembered it all. Then they left France and came over into Cornwall and wandered together about the hills and the woods. And one day, when they had gone a long way, they sat down to rest. And Nimue took Merlin's head in her lap and put him to sleep with the charm that he had taught her. When he was asleep she rose and walked around him nine times and waved her hands and began to say the words that he had taught her. And as she worked the charm Merlin slept more soundly, and then the ground opened and he sank down into it. She sank down too, and when they were deep enough the ground closed above them. But still she went on with the charm and great stones were moved by the magic words and piled themselves high above the place where they had sunk.