What is a central idea of "The Three Brass Pennies"?

Responses

When man's wishes for power disappoint him, he learns that true happiness comes from within.
When man's wishes for power disappoint him, he learns that true happiness comes from within.

Two men end a friendship when one tells the other how he really feels about him.
Two men end a friendship when one tells the other how he really feels about him.

When a magician rewards a man with the gift of knowledge, he becomes a great mathematician.
When a magician rewards a man with the gift of knowledge, he becomes a great mathematician.

A man frees a bee that is trapped in a spider web and brings it back to his home.

A man frees a bee that is trapped in a spider web and brings it back to his home.

The central idea of "The Three Brass Pennies" is when man's wishes for power disappoint him, he learns that true happiness comes from within.