If there is a book that leaves no questions unanswered regarding the training of a horse from the initial backing to the high school level, it is "The Gymnasium of the Horse" by Gustav Steinbrecht. "The radiance of his spirit renews itself in the course of time. No false doctrine, not even the so-called quick training, can withstand the principles of Steinbrecht." (H.H. Brinckmann, Warendorf in the foreword), which also includes the well-known phrase "Ride your horse forward and straighten it." For Steinbrecht, dressage is not an end in itself, but rather a form of gymnastics in the interest of the individual horse.