EVERY living being longs to be happy; untainted by sorrow; and everyone has the greatest of love for himself; which is solely due to the fact that happiness is his real nature. Hence in order to realize that inherent and untainted happiness, which indeed he daily experiences when the mind is subdued in deep sleep, it is essential that he should know himself. For obtaining such knowledge the enquiry; "Who am I?” in the quest for the Self is the best means.