A woman’s beauty is one of her great missions.

Taken at face value, the line frames feminine beauty not as a private attribute but as a social “mission”—a duty or calling with public consequences. In that sense it reflects a late-Victorian/fin-de-siècle tendency (common in aesthetic and essayistic writing of Le Gallienne’s milieu) to moralize or instrumentalize beauty, especially women’s beauty, as something that influences manners, taste, and even men’s conduct. The wording also reveals a gendered asymmetry: it implies women are tasked with embodying beauty as a form of service, which can be read either as praise of beauty’s cultural power or as a restrictive ideal that reduces women to appearance and obligation.