A Brief Introduction to the theory of the Good and Bad Wolf states...

The Native American Cherokee people had the concept of a war going on inside each human being.  That war is between two wolves: the good wolf and the bad wolf.[2]  And the wolf that wins the war is the one that is fed the most!  References to the Good and Bad Wolf, or the good and bad sides of human nature, can be found in various places in the papers and books published by the Institute for CENT.

A Brief Introduction to the theory of the Good and Bad Wolf states...