Only the one who gives away has the right to receive, and success and prosperity come to the one who already has true wealth - a wealth of ideas, professional knowledge, experience of interpersonal relationships, inner energy. This is one of the most important principles on which the unique book of Harvey Spencer Lewis, the founder of the Order of Rosicrucians (AMORC), a scientist, businessman, and adviser to a number of large corporations, is built. It was first published in 1929, on the eve of the Great Depression, and was subsequently reprinted several times. Each new generation of readers found answers to the challenges of their era. Harvey Spencer Lewis takes as his basis the notions of balance and justice that are so central to the Rosicrucian movement. His work is devoted to pragmatic issues, but at the same time reflects the breadth of the Rosicrucians' view of our world as a unity of spirit and matter. This edition has been revised in accordance with the changes that have occurred in the world over the past hundred years. This book will be useful for readers looking for such solutions in everyday life and business that will help to realize personal interests in accordance with the universal laws of harmony.