Man's health depends on the following four things: the power of his soul, the goodness of his soul, the brightness of his mind and the mildness of his heart. In order one to gain these qualities, he shall have knowledge. Everybody has a soul, a heart and a mind, but not everybody has managed to develop such qualities in himself, which to make him healthy.Health is related not only to the physical world, but also to the heart and mental ones. It is...