Therefore every individual exhibits to some degree the characteristics of all the five types.

The Secret of Individuality

¶ But his PREDOMINANT traits and INDIVIDUALITY—the things that make him the KIND of man he is—agree infallibly with whichever one of the five systems PREDOMINATES in him.

Combinations Common in America

¶ The average American man or woman is a COMBINATION of some two of these types with a third discernible in the background.

To Analyze People

¶ To understand human beings familiarize yourself first with the PURE or UNMIXED types and then it will be easy and fascinating to spell out their combinations and what they mean in the people all about you.

Postpone Combinations

¶ Until you have learned these pure types thoroughly it will be to your advantage to forget that there is such a thing as combinations. After you have these extreme types well in mind you will be ready to analyze combinations.

The Five Types