The one about the prince who was looking for a princess so he put a single pea under a bed of hundreds of mattresses. Cause if you are a real princess, you sleep so delicately that the one pea would make your sleep uncomfortable. Tons of women came to the prince everyday claiming to be a princess and in the morning when he asked how they slept they all answered Just fine. One day a princess showed up. In the morning the prince asked his same question, the princess said she could barely sleep since the bed was so uncomfortable. Then he married her or something like that