A Little Red String
Lots of people have knowledge and information, but so few have wisdom. Some people have very little knowledge or information but for some reason seem to have wisdom anyway.
The classic example of the first type is the academic who is filled to bursting with knowledge, but is a failure at human relationships. The classic example of the second type is the granny rocking on the front porch, who never finished school, but who is someone you love to visit because she somehow always says the very thing you needed to know.