But anyone with the opportunity of gaining a fundamental knowledge of many men will soon discover that such a far-reaching contrast does not merely concern the individual case, but is a question of typical attitudes, with a universality far greater than a limited psychological experience would at first assume. Naturally, at first, one is inclined to regard such differences as mere individual idiosyncrasies. Who does not know those taciturn, impenetrable, often shy natures, who form such a vivid contrast to these other open, sociable, serene maybe, or at least friendly and accessible characters, who are on good terms with all the world, or, even when disagreeing with it, still hold a relation to it by which they and it are mutually affected. The two types are so essentially different, presenting so striking a contrast, that their existence, even to the uninitiated in psychological matters becomes an obvious fact, when once attention has been drawn to it. An fond, the object can never have sufficient value for him, therefore, its importance must always be paramount. To such an extent does he affirm its importance that his subjective attitude is continually being orientated by, and related to the object.

The extravert, on the contrary, maintains a positive relation to the object. the part of the object had to be continually frustrated. The introvert's attitude to the object is an abstracting one at bottom, he is always facing the problem of how libido can be withdrawn from the object, as though an attempted ascendancy on.

The general-attitude types, as I have pointed out more than once, are differentiated by their particular attitude to the object.

The former I would term general attitude types, since they are distinguished by the direction of general interest or libido movement, while the latter I would call function-types. But, in addition, I shall also try to give a certain characterization of those special types whose particularity is due to the fact that his most differentiated function plays the principal role in an individual's adaptation or orientation to life. In the following pages I shall attempt a general description of the types, and my first concern must be with the two general types I have termed introverted and extraverted. Classics in the History of Psychology - Jung (1921/1923) Chapter 10

Mythology of the Soul by H.G. Baynes