Why did many modern poets and novelists also write essays and criticism?

Modern poets and novelists often write essays and criticism because, as literature becomes more modern, it acquires a heightened sense of self-awareness, leading writers to reflect on their own purposes and techniques. Rather than relying solely on imaginative creation, many writers feel compelled to explain their work, define their methods, and act as critics of both themselves and others.1

This practice is deeply rooted in the desire to engage with the intellectual and social climate of their time. By composing nonfictional prose, authors can:

• Justify their art: Many creators use critical essays to articulate the principles and aims behind their imaginative work.2
• Influence culture: Literary criticism can serve as a powerful tool for social change, allowing writers to act as social forces, address cultural complacency, or advocate for moral and spiritual reform.34
• Explore complex ideas: Essays provide a flexible, personal medium for exploring problematic human complexity, politics, and philosophy, often reaching audiences beyond the scope of their fiction or poetry.536

Ultimately, for many monumental figures, this critical output is considered as significant as their imaginative writing, reflecting a tradition where the best writers understand criticism as an exercise of private sympathy, discrimination, and cultural reflection.17