Causation: God(Aquinas) -> God/internal/external (impetus) ->
     internal/external (Newton*s inertia) -> external (modified
     inertia, modern).

     -- Nobody Needs (@InfoNobodyNeeds) [1]February 26, 2016

   via Twitter https://twitter.com/InfoNobodyNeeds

   February 26, 2016 at 04:04AM

References

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   1. https://twitter.com/InfoNobodyNeeds/status/703143674721337344