This Essay uses two 1804 opinions by Chief Justice John Marshall to explicate a world in which understandings of executive power and the rule of law were very different from those that predominate today. Scholars have misread Little v. Barreme and Murray v. Schooner Charming Betsy, this Essay argues, because they apply modern assumptions about the balance of power between Congress and the executive that do not fit the Marshall Court’s constitutional vision. Contemporary interpretations read Little for the propositions that the president’s inherent wartime power may be limited by statute and that early American jurists rejected officers’ “good faith” defenses to liability for tortious acts. But the opinion in fact reflects the Marshall Court...