You can’t be truly rude until you understand good manners.

Brown’s line treats rudeness not as mere ignorance or lack of polish, but as a deliberate act that presupposes knowledge of the social code being violated. The point is that “true” rudeness is intentional: it requires an understanding of manners, etiquette, and the expectations of civility so one can pointedly flout them. Read this way, the quote distinguishes between accidental awkwardness and purposeful discourtesy, and it also hints at the performative, power-laden side of manners—rules that can be obeyed to signal belonging or broken to signal contempt, rebellion, or dominance. The wit comes from reversing the usual moral hierarchy: refinement becomes a prerequisite for a sharper kind of incivility.