This creates a sort of government staffing perpetual motion machine, with agencies adding more and more headcount just to satisfy the demands of other government agencies.

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We have a perpetual motion machine of continued prosperity upwards.

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It was a perpetual motion machine that never worked.

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The directors, Jean-Pierre and Luc Dardenne, track the young perpetual-motion machine through his small Belgian city, where he pedals, runs, scampers, dives, and climbs past all clutches, and, when cornered, fights with an animal ferocity.

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One of my many frustrations of working in Washington is dealing with perpetual-motion-machine assertions.

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