A fable of great humor and accuracy about the tricky question of sharing.

"Oh, what a pretty pond!" says the yellow duck. "This is my pond." A white duck shows up: "Oh, what a pretty pond! This is my pond." "No, it's my pond!" the yellow duck snaps. "Let's share it," the white duck suggests. And the pond is shared. But then a red duck shows up... and then a green one! A multitude of tiny borders now divide the pond. Then a black duck shows up... and a surprise guest who settles everyone's disputes!