"I was the shyest human ever invented, but I had a lion inside me that wouldn't shut up!"

In this quote, Ingrid Bergman is describing herself as a shy person, however also acknowledging that she has an intense and effective side to her. She compares this side to a lion, a sign of strength and nerve. Despite her shyness, this inner lion within her declines to be silenced and needs to be heard. This might be interpreted as a metaphor for her inner strength and decision, which she may have had to use in order to overcome her shyness and be successful in her profession. Overall, this quote highlights the complexity of humanity and the hidden strengths that lie within all of us.