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Full Idea
The maxim that there is no motion which has not its origin in another motion, according to the laws of mechanics, leads us again to the Prime Mover.
Gist of Idea
Mechanics shows that all motion originates in other motion, so there is a Prime Mover
Source
Gottfried Leibniz (Principle of Life and Plastic Natures [1705], p.194)
Book Ref
Leibniz,Gottfried: 'Leibniz Selections', ed/tr. Wiener,Philip P. [Scribners 1951], p.194
A Reaction
This is Leibniz's endorsement (uncredited) to Aquinas's First Way. It is hard to see how the laws of mechanics could have anything to say about the origin of movement. And doesn't the law say that the motions of God need a mover?
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