8) Efficient Causality – The Unmoved Mover
Aristotle, a man whose genius has echoed throughout the millennia, offered an argument (in his work The Metaphysics) which posits the necessity of an “unmoved mover” in order to overcome the absurdity of an infinite causal regression.
“Since motion must be everlasting and must never fail, there must be some everlasting first mover…” – Aristotle
Philosopher Peter Kreeft says it like this:
Existence is like a gift given from cause to effect. If there is no one who has the gift, the gift cannot be passed down the chain of receivers, however long or short the chain may be. If everyone has to borrow a certain book, but no one actually has it, then no one will ever get it. If there is no God who has existence by his own eternal nature, then the gift of existence cannot be passed down the chain of creatures and we can never get it. But we do get it; we exist. Therefore there must exist a God: an Uncaused Being who does not have to receive existence like us—and like every other link in the chain of receivers.