In the preceding book, "Psychology and Achievement," we established the truth of two propositions:

I. All human achievement comes about through bodily activity.

II. All bodily activity is caused, controlled and directed by the mind.

To these two fundamental propositions we now append a third, which needs no proof, but follows as a natural and logical conclusion from the other two:

III. The Mind is the instrument you must employ for the accomplishment of any purpose.

With these three fundamental propositions as postulates, it will be the end and aim of this Course of Reading to develop plain, simple and specific methods and directions for the most efficient use of the mind in the attainment of practical ends.

To comprehend these mental methods and to make use of them in business affairs you must thoroughly understand the two fundamental processes of the mind.

These two fundamental processes are the Sense-Perceptive Process and the Judicial Process.

The Sense-Perceptive Process is the process by which knowledge is acquired through the senses. Knowledge is the result of experience and all human experience is made up of sense-perceptions.

The Judicial Process is the reasoning and reflective process. It is the purely "intellectual" type of mental operation. It deals wholly in abstractions. Abstractions are constructed out of past experiences.

Consequently, the Sense-Perceptive Process furnishes the raw material, sense-perceptions or experience, for the machinery of the Judicial Process to work with.

In this book we shall give you a clear idea of the Sense-Perceptive Process and show you some of the ways in which an understanding of this process will be useful to you in everyday affairs. The succeeding book will explain the Judicial Process.