The tale that gave us the word serendipity, and possibly the classic detective story.
Once upon a time, in the land of Serendip, there ruled a wise and powerful king, Giaffer. He had three sons whom he loved very much, and he wanted to leave them not only his kingdom, but all the knowledge and virtues that the rulers of a great kingdom should have. So he gathered great scholars from all over his realm, each with a different specialty, and set them as tutors to his sons. The king bade each tutor to instruct the princes so well that any expert who encountered them would immediately recognize who their teacher was. And so the tutors did.
Because the princes were all highly intelligent, it took hardly any time for them to become experts in science and language and philosophy and all the other subjects that they studied, and soon they were far more knowledgeable than any other young princes or nobles of the same age and rank. The tutors returned to the king to report on how much progress the princes had made. The king was a bit skeptical that the princes could have gained so much knowledge so quickly, so he decided to test them.