U in the Motif Index stands for the (rather short) category of The Nature of Life. It includes stories about injustices and inequalities, and wisdoms about how life is. It includes such entertaining tidbits as "U115. - The skeleton in the closet," or
U114. Mountain in labor brings forth a mouse
This fable from Aesop is so short, I'm just going to copy and paste it.
Moral of the story: "Don't make much ado about nothing."
Moral of the story according to Phaedrus: "Some people make loud threats but don't deliver."
Read a bunch of versions of the Aseop's fable here. Read the Phaedrus translation here.
U22.214.171.124. Animals confess sins to lion holding court
U11.2. He who steals much called king; he who steals little called robber
U15.0.1. Dwarf king (fairy) laughs at the absurdities he sees about him
U21.1. Hen complains that man eats her, but she eats ant
U67. Jester takes cow and tells king people have plenty of milk, for “he who is warm thinks everyone else is.”
U68. Optimist becomes pessimist when his money is stolen
U112. Beard on she-goats do not make a male
U119.5. Stories to show that one’s name does not alter his condition
U137. Mill horse when taken to war keeps going in a circle, as he has learned in the mill