"You use words like 'introvert' and 'extrovert,' various traits of a personality. A lot of that stuff, we used in drama school, and that was kind of interesting, to realize my teachers sort of ripped off a lot of Jung. And how much of it is part of our society now, these phrases, introvert and extrovert, where it actually came from"

In this quote, actor Michael Fassbender reflects on making use of terms like "introvert" and "extrovert" in our society. He discusses that these words are often utilized to explain various characteristic, and that they were also utilized in his drama school training. Fassbender then goes on to suggest that these terms were really obtained from the work of psychologist Carl Jung, which they have actually become instilled in our society's understanding of personality. He raises the question of how much of our understanding of introversion and extroversion is influenced by Jung's ideas and just how much is an item of our society's adoption of these terms.