It is impossible for us (at least by any of the five senses) to peer into the mental chamber of other men and there read the record of their _character_, or to interpret the combination of Human Nature therein moulded and formed. But nevertheless we are not balked in our desire, for by learning to interpret the outward signs of personality we may arrive with a wonderful degree of success at an understanding of the character, mind, or Human Nature in others. From the seen Outer we may deduce the unseen Inner. We may discern the shape of that which is concealed, by observing the form of the covering which hides it from sight. The body, like the fabled veil of the goddess, "conceals but to reveal." CHAPTER IV THE TEMPERAMENTS The student of Human Nature soon discovers that among men, as among the animals, there is to be observed a great variety of "quality," and various classes of "temperament." Among cattle we notice great differences of form which differences indicate certain qualities inherent in the beast. Certain qualities are recognized by their outward forms as being indicative of sturdiness, staying-qualities, strong vitality, etc., which render their possessor valuable for draught oxen. Other qualities indicate the value of another animal for meat producing. Others, the production of large quantities of milk. Others, prolific breeding. And, so on, each set of qualities being recognized by its outward form and being taken into consideration by breeders. In the same way, breeders recognize certain qualities in horses which they take advantage of in breeding for the strength of draught horses; the speed of thoroughbred runners and trotters; the docility and gentleness of driving horses and saddle animals. The draught horse and the thoroughbred runner or trotter may be easily distinguished by the eye of the average person, while it requires the eye of the expert to distinguish other points and signs of quality which prove the existence of certain traits of temperament in the animal. The same is true in the case of chickens and other fowls. Some types are adapted for laying, others for meat purposes, others for gameness, etc. Not only the physical qualities but also the temperamental traits of the beast or bird are distinguished by the expert, and are taken advantage of in breeding to develop and evolve the indicated trait or quality.