At what point do we change from open and eager to closed and afraid?
We refuse to read the manual because we know everything we need to know. Then we're royally ticked off at the manufacturer because they sold us a piece of crap that won't work right. We are Fools our whole life but somewhere we lose the open light-heartedness part of ourselves that is willing to look the Fool for a moment in exchange for knowledge or experience.
"Every act of conscious learning requires the willingness to suffer an injury to one's self-esteem. That is why young children, before they are aware of their own self-importance, learn so easily."