Thereupon John advanced politely, and said to the Prince:
"The creature which you see so cleverly amusing itself with the mice is called a cat. It is my faithful friend, and since it came into my possession I have never permitted it to leave me."
"My young friend," said the Prince, "you have there a fine fortune. My castle is infested with rats and mice; sell me your companion, and you shall be well paid."
"Be separated from my best friend!" exclaimed John. "Never, never will I do that."
"Let us see," said the Prince; "will you not sell me your companion for a hundred crown pieces?"
"No," cried John; "I would die of grief."
"I will give you a thousand then," said the Prince.
"Never," said John, stoutly.
"My friend," exclaimed the Prince, "be reasonable. I must have your cat. Name the price."
John scratched his head thoughtfully, and replied: