Trying something new can make you feel foolish, but not trying it makes you an even bigger fool. It's important to not pretend you know everything when you're promoted or have a change in status.
In this lecture, Dr. Peterson finishes his analysis of Disney's Lion King, which provides a dramatic representation of many of the archetypes identified and analyzed by Dr. Carl Gustav Jung, student of Nietzsche and Freud, and originator of analytical psychology.