[On Jung's theory of ...

[On Jung's theory of psychological types:] My mother, Katharine C. Briggs, introduced it into our family and made it a part of our lives. She and I waited a long time for someone to devise an instrument that would reflect not only one's preference for extraversion or introversion but one's preferred kind of perception and judgment as well. In the summer of 1942 we undertook to do it ourselves.
 Isabel Briggs Myers

Quotes from the same author

Conventional measures of mental ability, such as intelligence tests and scholarship, show some of the very highest records belong to INFP and INFJ types, who relegate thinking to last place or next to last. The preference for thinking appears to have far less intellectual effect than the preference for intuition, even in some technical fields, such as scientific research, where its influence was expected to be most important.
 Isabel Briggs Myers
The visions of the INFJs tend to concern human welfare, and their contributions are likely to be made independent of a mass movement.
 Isabel Briggs Myers
What children need is the conviction that satisfaction can and must be earned. ... Spoiled children do not learn the must.
 Isabel Briggs Myers