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Continue to ChatWere you to converse with a king, you ought to be as easy and unembarrassed as with your own valet-de chambre; but yet every look,word, and action should imply the utmost respect.... You must wait till you are spoken to; you must receive, not give, the subject of conversation, and you must even take care that the given subject of such conversation do not lead you into any impropriety. - Lord Chesterfield from https://whatsmyquote.com/quote/were-you-to-converse-with-a-king-you-ought-to-be-as-easy-and-unembarrassed-as-with-your-own-valet-de-chambre