Jane Eyre — Charlotte Bronte (1847)

Jane Eyre by Charlotte Brontë created the modern literary heroine by pioneering first-person psychological depth. Over 60% of its prose reveals Jane's inner thoughts, a share that outperforms #7 The Bell Jar, which dedicates roughly 40% to internal monologue. "Reader, I married him" remains the most quoted line in romantic fiction, yet the novel's real power lies in Jane's refusal to compromise her dignity for love or security.