Anton Chekhov: Good breeding doesn't mean that you won't spill sauce on the tablecloth, but that you won't notice when someone else doe

Good breeding doesn't mean that you won't spill sauce on the tablecloth, but that you won't notice when someone else does.

Source: Wikiquote (CC BY-SA 3.0). Quotations may be subject to their authors' rights and may be shown in translation.