An object at rest stays at rest, and object in motion tends to stay in motion. This is inertia, defined famously by Isaac Newton in his First Law of Motion.
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Objects in motion only tend to stay in motion is they are in space.
But this is an old EP? ep-270-inertia
http://www.astronomycast.com/2012/09/ep-270-inertia/
Exterminate… Exterminate… You will experience a slight tingling and then death… Please remain calm while your disintigration is implemented…