These elements are classified as combining to form minerals, plants and animals. They are all closely interrelated. The plant draws the mineral elements from the soil, and after certain processes of combination, conveys them as food to the animal. The animal substances that man consumes make up the balance of the elements that are required to build up the human body. It is a matter of comparatively new discovery that the minerals are just as important a part of the human body and of its food as the other basic chemical elements. The discovery showing of what minerals the necessary ingredients of the different body tissues are composed and in what combination and quantity, in order that they may become incorporated into the organism, has made it possible to supply them to the diseased body in the purest and most effective way through nutritive preparations, while their existence in food also furnishes an indication as to the regulation of diet. I have already given, in the preceding pages, the frank expression of favourable opinion upon this vital topic generally, as voiced with unmistakable, conviction by no less an authority than Assistant Surgeon-General, Dr. W.C. Rucker of the United States Public Health Service. I will now cite, in further corroboration, the opinion of the distinguished Editor of "The Fra," as addressed to myself personally, in special relation to an advance section of the book "Dare to be Healthy," together with other similar matter, and which, coming as it does from one who is himself a leader in the van of the advancing phalanx of the followers of Truth and Enlightenment, may be safely held to constitute a just criterion of the literary and technical value of the work. It is expressed as follows: _From John T. Hoyle, Managing Editor of "The Fra."_ "From my reading of your 'Lessons,' and especially from 'Dare to be Healthy,' I can see that you have evolved a new concept in medicine, or rather 'Nature Healing,' which promises great results. I trust you will be able to put the whole into a printed book that we may all have the benefit of your discoveries. Unlike most physicians, while you treat of the most profound and vital scientific subjects, your language is so well chosen and your method of presentation is so clear, that no intelligent person would have difficulty in following your thought. You have undertaken a monumental work, and that success may attend your efforts is our heartfelt wish." _From Elbert Hubbard._ "What I have read of it is intensely interesting and shows that you have a keen insight into the philosophies of life." There are other spontaneous and unexpected testimonials of an equally encouraging and complimentary nature from men whose knowledge and attainments entitle their opinions to the tribute of respect. These might well be likewise added here, but for the necessary limitations of space.