4. Make every effort to transfer your own wisdom or power.

PROBLEM.

Think of some technical ability that you have. Think over to yourself exactly how you would speak as an expert to one who knows practically nothing of the particular work.

Conclusion to Book IV

In Book I you became acquainted with the physiological foundations on which all speech is based.

In Book II you learned how to use words correctly.

In Book III you learned the psychological foundations of speech.

In Book IV you have learned how to apply speech to the conduct of daily business life.

In Book V you are to proceed further and learn how to speak under the trying conditions that frequently arise in business life.

The course, you notice, is proceeding naturally from the easy to the difficult, from the simple to the complex.

In the Books that are to follow you will learn how to meet human nature under all speech conditions. The work naturally becomes more and more interesting.