The real sting of Saint-Exupéry's words lies not in scolding dreamers, but in exposing the loneliness of aspiration without architecture—a wish, after all, is something we make in the dark, hoping someone else will grant it. What separates the person who loses twenty pounds from the one who merely resolves to do so isn't willpower or virtue; it's Tuesday morning, when the first refuses the donut because she's already decided which bakery to avoid on her commute. He's not dismissing hope, but rather pointing out that hope becomes real only when it collides with the messy particulars of your actual life: your schedule, your weaknesses, your Tuesday.