If you are sick, it is because you maintain a disharmony within yourself: you have nurtured certain thoughts, certain feelings, certain behaviors, and this is ultimately reflected in your health. The best weapon against illness is harmony: day and night, think about synchronizing, aligning, harmonizing with the whole of life, the infinite life, the Cosmic Life. This is true harmony. Harmonizing with certain people: your wife, your husband, your children, your parents, your neighbors, your friends, is not yet enough. It is with the Universal Life that one must synchronize. [Excerpt from the text on the back cover of the edition]