... much seemingly chance variation in human behavior is not due to chance; it is in fact the logical result of a few basic, observable differences in mental functioning.

The visions of the INFJs tend to concern human welfare, and their contributions are likely to be made independent of a mass movement.

They [INTJs] are likely, however, to organize themselves out of a job. They cannot continually reorganize the same thing, and a finished product has no more interest. Thus, they need successive new assignments, with bigger and better problems, to stretch their powers.

the present Western civilization ... is dominated by the extravert viewpoint. There are plenty of reasons for this domination: extraverts are more vocal than introverts; they are more numerous, apparently in the ratio of three to one; and they are accessible and understandable, whereas the introverts are not readily understandable, even to each other, and are likely to be thoroughly incomprehensible to the extraverts.

What children need is the conviction that satisfaction can and must be earned. ... Spoiled children do not learn the must.

You psychologists focus on what is wrong with people; I want to focus on what is right and what could be right.

In teaching, the other main problem related to type is the students’ interest. Intuitives and sensing types differ greatly in what they find interesting in any subject even if they like, that is, are interested in, the same subjects. Intuitives like the principle, the theory, the why. Sensing types like the practical application, the what and the how.