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: Kamo no Chōmei was a Japanese author, poet, and essayist. He witnessed a series of natural and social disasters, and, having lost his political backing, was passed over for promotion within the Shinto shrine associated with his family.