"pull off" is OK (note that it is "off", as you wrote in the body of your post, not "of" as you wrote in the heading). However, "Confucius's quotes" doesn't seem ideal to me, potentially suggesting words that Confucius quoted, not words that Confucius wrote that are quoted by someone else (which I assume you mean). I suggest: "You cannot pull off quotes from Confucius".
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