The Master Key

The Master Key


"In no department of human wisdom has there been a extra vigorous raise of the spirit of study in the past few years than within the examine of Psychology, focus and psychological self-discipline. Many issues of "mental doctrine" were passing afresh in the course of the crucible; simple guideline is a well-liked cry, and, in a few instructions, a true requirement of the age; the requests for genuine classes in inspiration keep an eye on, psychological self-discipline and focus have by no means earlier than been so nice as in contemporary years."-From the Preface.

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