At every step of our ordinary social transactions, we witness the miracles of our intellectual capabilities. An alert intellectual individual marches ahead in his chosen field with great success. Bang opposite to this people with weak intellects lag behind in various areas despite being blessed with conducive circumstances. In order to solve dire problems of our lives and in order to attain benefits of soul glory, a radiant mind is most required. Via the nervous system these elements are spread out widely in the entire body and the brain is the chief center. In spiritual parlance, this widespread knowledge is the Mental Sheath. Ordinarily for intellectual advancement, schools and other mediums of education are utilized. But the spiritual methods used for advancing the mental conscious center, are based on spiritual practices. With its help the mental energy is purified and evolved.

In ancient times, wind, bile, phlegm, indigestion, blockage of feces, change in weather, attack of venomous germs etc. were thought to be causes of various diseases. But modern research says that the mental center fully controls our body and it further elaborates that diseases based on external causes are nothing but the desire of the life force of our body. Thus with common remedies these diseases can be cured. Intense diseases are generally a result of mental distortions. These diseases cannot be cured merely by medicines and that mental purification is most required in such cases.

This is the chief cause not only of bodily diseases but also of mental illnesses. An individual, who executes vile actions due to a vile intellect, not only faces bodily diseases but also undergoes mental illnesses. Maybe such a person does not turn mad yet because of a certain amount of imbalance, he remains semi-agitated. They undergo pain for no reason and for no reason they inflict pain on others. Such a person