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.

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.

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

Although intelligence tests are usually speed tests for the sake of convenience, it is debatable whether speed has any rightful place in the basic concept of intelligence.

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

Extraverts ... cannot understand life until they have lived it. Introverts ... cannot live life until they understand it.

Introverted feeling types have a wealth of warmth and enthusiasm, but they may not show it until they know someone well. They wear their warm side inside, like a fur-lined coat.