Analysis of information sources in references of the Wikipedia article "Lu Ban" in English language version.
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The Lu Ban ruler is synonymous with Fengshui or geomancy, which is the Chinese art of living in harmony with nature by harnessing Qi (energy). It is practised by arranging buildings or other sites auspiciously.
Even today the phrase 班门弄斧 bān mén nòng fǔ — literally, "to brandish your axe at Lu Ban's door" — is a common idiom, used to describe people who unwittingly boast their small achievements in front of those who've set the bar, like showing off one's front-crawl to Michael Phelps
