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Mo Di (c. 468–376 BCE), commonly known as Mozi (“Master Mo”), was a seminal thinker, political theorist, and founder of the Mohist school during the transitional period between the Spring and Autumn and Warring States eras of ancient China. Born into a family of humble artisan or small-scale craftsman origins, Mozi possessed exceptional skill…
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Mencius said: “Even with Li Lou’s sharp eyes and Gongshu Ban’s (Lu Ban’s) superb craftsmanship, without compass and square, one cannot draw perfect circles or squares. Even with Shi Kuang’s acute hearing, without the six pitch standards, one cannot tune the five notes correctly.”