The basis of tragedy is man's helplessness against disease, war and death; the basis of comedy is man's helplessness against vanity (the vanity of love, greed, lust, power).
Bio: Cyril Northcote Parkinson was a British naval historian and author of some 60 books, the most famous of which was his best-seller Parkinson's Law, which led him to be also considered as an important scholar in public administration and management.