A designer who is not also a couturier, who hasn't learned the most refined mysteries of physically creating his models, is like a sculptor who gives his drawings to another man, an artisan, to accomplish.
Source: In Ritz, no. 85 (London), 1984.
-- Yves Saint Laurent, (Aug 1 1936-2008), French fashion designer; He is noted, among other things, for his popularization of women's trousers for all occasions.