"I, ..., do hereby swear, before the Great and Living God, that during my engagement, and while I am an employee of Russell, Majors, and Waddell, I will, under no circumstances, use profane language, that I will drink no intoxicating liquors, that I will not quarrel or fight with any other employee of the firm, and that in every respect I will conduct myself honestly, be faithful to my duties, and so direct all my acts as to win the confidence of my employers, so help me God."
— Oath sworn by Pony Express Riders