respond to it, rests a large part of the value of this book.

VALUE OF PSYCHOLOGY.--First of all, then, what is there in the
subject of psychology to demand the attention of the manager?

Psychology, in the popular phrase, is "the study of the mind."
It has for years been included in the training of all teachers, and
has been one of the first steps for the student of philosophy; but
it has not, usually, been included among the studies of the young
scientific or engineering student, or of any students in other lines
than Philosophy and Education. This, not because its value as a
"culture subject" was not understood, but because the course of the
average student is so crowded with technical preparation necessary
to his life work, and because the practical value of psychology has
not been recognized. It is well recognized that the teacher must
understand the working of the mind in order best to impart his
information in that way that will enable the student to grasp it
most readily. It was not recognized that every man going out into
the world needs all the knowledge that he can get as to the working
of the human mind in order not only to give but to receive
information with the least waste and expenditure of energy, nor was
it recognized that in the industrial, as well as the academic world,
almost every man is a teacher.

VALUE OF MANAGEMENT.--The second question demanding attention
is;--Of what value is the study of management?

The study of management has been omitted from the student's
training until comparatively recently, for a very different reason
than was psychology. It was never doubted that a knowledge of