I've read about the issue of different fingers on a hand in various places. Some use it as a metaphor that all people, no matter how different, are necessary for a community. In other cases, I've read it as an indication of the necessary family unity, because no matter how different they are from each other, when fighting or working, they only function when everyone flexes and works together.

Anyway, there are many other examples, but I don't remember them all.