He discovered that the body has a homeostatic tendency to restore itself to health. One might say that cultivating Dhan is a power obtained through a certain kind of spiritual discipline. In other words, through Dhan, it is possible to heal oneself, simply by observing and rectifying the mind's wobble. We should always be conscious of the fact that everything changes. Even the foods we eat ought to be in accordance with our present state.
Truth is to be found in the change itself.
Check the season, the weather, and the condition of those who are with you. Just a moment's observation will set you straight about what to eat on any given day. The Yin and Yang concept used in Eastern Medicine basically says that when one is full, the other must be empty. When the stomach is full, the intestines should be empty, and vice versa. Top and bottom must take turns being full and empty.