Millions of Americans cannot tell you who lived at Mount Vernon or who wrote the Declaration of Independence - let alone the Emancipation Proclamation. But they know that to be 'a Benedict Arnold' is to be a traitor of the deepest dye - someone who coldly betrays not only a sacred cause but every moral scruple along the way.

In this quote, Arthur L. Herman reflects on how much American history is either unknown or forgotten by many, particularly the details surrounding important figures like the people who lived at Mount Vernon or those who wrote foundational documents like the Declaration of Independence and the Emancipation Proclamation. However, he contrasts this historical ignorance with the widespread recognition of the term "Benedict Arnold", which has become synonymous with treason and betrayal. Herman emphasizes how Arnold’s name has come to represent the ultimate act of disloyalty, transcending specific historical events to symbolize a moral failure of the highest order.

The origin of this statement lies in Herman's examination of the American collective memory and the cultural significance attached to the figure of Benedict Arnold. Arnold was an American Revolutionary War general who famously betrayed the Continental Army by defecting to the British, making him one of the most notorious figures in American history. Despite the general public’s lack of knowledge about other key historical moments or figures, the term "Benedict Arnold" has remained firmly embedded in the national consciousness as a symbol of deep treason and betrayal.

Herman’s use of the phrase "to be a Benedict Arnold" highlights how some historical figures, despite their often complex actions and motivations, can become enduring symbols in popular culture. Arnold’s betrayal is not just seen as a political or military act, but as a violation of moral scruples, making his name synonymous with the idea of betraying not only a cause but one’s ethical obligations. His name has, in a sense, become larger than the man himself, serving as a shorthand for disloyalty and treason in any context.

Ultimately, Herman's quote underscores how the story of Benedict Arnold transcends the specific history of the American Revolution to serve as a lasting moral lesson. It reflects the tension between the complexity of history and the simplicity with which certain figures or actions are remembered. Arnold’s betrayal has become so ingrained in the American psyche that even those who may not know the full details of early American history can understand the gravity of treason through his name.