I think... the history of civilization is an attempt to codify, classify and categorize aspects of human nature that hardly lend themselves to that process.

Tom Stoppard’s quote reflects his belief that the history of civilization is an ongoing effort to codify, classify, and categorize human nature, but that these attempts often fall short. He suggests that the complexities of human nature—with its emotions, behaviors, and motivations—are inherently difficult to define or structure within rigid systems. Stoppard is highlighting a fundamental tension between the desire to organize human experience and the elusive, multifaceted nature of human existence that resists such simplification.

By emphasizing that human nature "hardly lends itself" to the process of classification, Stoppard points out the limitations of systems like philosophy, psychology, or sociology in capturing the full range of human experiences. While these fields try to make sense of our behaviors and identities, they often fail to encompass the fluid, contradictory, and unpredictable aspects of what it means to be human. This critique underscores the complexity of human life that cannot always be neatly boxed into theories or categories.

The quote also implies a sense of frustration or even irony about the human effort to understand itself through structured systems. Stoppard seems to suggest that while humans have developed extensive cultural and intellectual frameworks to make sense of the world, they are limited by their inability to fully account for the depth and richness of human experience. This reflects the broader philosophical debate about the relationship between order and chaos in understanding humanity.

The origin of this quote can be traced to Stoppard’s work as a playwright and philosophical thinker, where he often explored the nature of human existence and the limitations of knowledge. Known for his intellectually rigorous plays, such as Rosencrantz and Guildenstern Are Dead, Stoppard frequently engaged with themes of existentialism and the challenges of defining human experience. This quote reflects his skepticism toward the ability of systems to fully encapsulate the complexities of human nature.