These sweeping currents

I think... that my core interests in thoughts lie not in the philosophical realm, but rather the psychological one. It has never been my goal to understand the deep and the abstract undercurrents sweeping over the world; rather, I would like to understand these currents that drive the individual in the way he or she acts or reacts. It is like looking at the moon to understand its pull on the rising and ebbing of the tides, and trying to unravel the intangible through observing the tangible.

Finally, the persona -- the Greek word for an actor's mask -- is the face shown to others. It reveals certain selected aspects of the individual and hides others. Hopcke writes: "Jung saw the persona as a vital sector of the personality which provides the individual with a container, a protective covering for his or her inner self" (1989, p. 87). A well-developed individual may have several personae appropriate to business and social situations. The problem comes not in having a persona but in identifying with it to the neglect of the person's inner life.

Source: Jung - On the Personae

Perhaps the main reason why...