We have to remember that it is not possible for all of us to retire to an isolated place of retreat. We have our everyday activities. Living in a place that is crowded, in a society within which we have to function and fulfill all the obligations we still have to strive to maintain mental balance by training our mind rigorously. ‘This book is a bit different from regular meditation, concentration books which are frequently published. It has taken the judiciousness of the yogis of the East together with the scientific approach of the psychiatrists of the West’.