Inertia is the worst enemy of a process of ongoing improvement; solutions tend to assume a mass of their own that resists further change.

惰性是过程改进的天敌，解决方案趋向自己的大量假设而阻止了未来变革。

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Call it inertia, call it the 97% protecting their own, call it fear, call it whatever.

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Similarly, unions have their own interests, and sometimes that leads to protecting bad teachers or to institutional inertia and dysfunction.

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Cultural inertia often stands in the way of those politicians who aspire to remake the world in their own ideological image.

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