Human beings are all like leaves of one tree , a universal tree. Or, better still, they are like molecules of a huge human body. If one part of the body is worn out or diseased, the whole body itself , will be affected. This is why human beings must, for their own sake, live by spiritual values.In order to throw some light on the various facets of this issue, these articles were written. Now these are being published in a book-form.