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Continue to ChatYou may wonder why a question of manners has got me so exercised. It's because I believe in a simple rule. If you see a person you know behave unreasonably to someone else, you can bet your last pound that before long he'll be behaving like that to you. - Daniel Finkelstein from https://whatsmyquote.com/quote/you-may-wonder-why-a-question-of-manners-has-got-me-so-exercised-it-s-because-i-believe-in-a-simple-rule-if