Writing an essay on themes in essays requires deep analysis of literature, philosophy, and culture to identify underlying themes in different works and time periods. It is challenging due to the subjective nature of interpreting themes and connecting them across genres through extensive research. Addressing the societal significance of themes adds further complexity, requiring consideration of historical and cultural contexts. While analyzing and explaining themes is intellectually demanding, it can enhance appreciation for writing through unraveling the intricate web of ideas in essays.