What is this disease? This disease is egoism...

'This is the time when science and technology has made tremendous progress. In spite of this progress, today man is suffering from a particular disease for which there is no medicine. This is happening not only in this country but also everywhere else. For some people, the disease may be in advanced stage. For a few others, it may be midway in its deterioration. For others, it may be in the preliminary stage. What is the disease? This disease is egotism.'