There is no such thing as a pure extrovert or a pure introvert. Such a man would be in the lunatic asylum.
Carl JungMy own understanding is the sole treasure I possess, and the greatest. Though infinitely small and fragile in comparison with the powers of darkness, it is still a light, my only light.
Carl JungThe man of today, who resembles more or less the collective ideal, has made his heart into a den of murderers, as can easily be proved by the analysis of his unconscious, even though he himself is not in the least disturbed by it.
Carl Jung