'And better known and better loved than these of whom I have told you are the spirits who haunt the waters. These have their home in sea or lake, in river or in little brook.
'Deep down under the blue waters, hidden from mortal eyes, are the palaces of the water spirits. Their walls are built of crystal and are hung with coral, their floors are paved with shining pearls.
'Deep down under the blue waters are yellow sands. There the merry little water-spirits play their games and gambol all the glad long days, until they leave their childhood far behind.
'Pure and fair, more fair even than the race of mortals are the spirits of the water. Fishermen have chanced to see these water-nymphs or mermaidens, and they have spoken of their wondrous beauty. Mortals too have named these strange women Undines. Look upon me, Huldbrand, look long and well, for I, your wife, am an Undine!'
The knight gazed sadly upon his beautiful wife. He wished to believe that she was but weaving fairy tales with which to charm him through the quiet eventide, yet as he gazed upon her he shuddered lest the tale she told was true.
Undine saw that he shuddered, and tears sprang into her blue eyes as she went on with her story.
'When I was a child I lived in the depths of the sea. My father's crystal palace was my home, for he, my father, is the Lord of the Ocean. Kühleborn is my uncle. He used to watch me with his big eyes until I grew afraid, and even now, although I live above the waters, he comes to me and ofttimes he frightens me as though I were again a little child.
'Brothers and cousins, too, were mine and played with me on the yellow sands beneath the blue sea.
'Merry were our lives and free, for the sorrows of mortals came not near to us. We had no soul, the gift God gives to every mortal, and without a soul no pain could enter into our lives.
'Yet my father, the King of the Ocean, longed that I, his only daughter, should gain the great gift which is given to every mortal. And this he wished, though well he knew that to mortals was given, with the gift of a soul, the power to suffer.
'An Undine can gain a soul in one way alone. She must love and be loved by one of mortal birth.
'You, Huldbrand, you have given me my soul, and should you now despise me or drive me from you, I should suffer even as one of your own race.