Since the publication of Scouting for Boys in 1908, all Scouts male and female around the world have taken a Scout Promise or oath to live up to ideals of the movement, and subscribed to a Scout Law. The wording of the promise and law have varied slightly over time and among Scouting organizations.
Each Scout MUST know both before they are entitled to wear
The Scout Promise & The Scout Law
History of Scouting through the Ages