Aquinas for Dummies - First Way - Motion
Imagine you're at the playground, and you see a domino fall over. But wait — that domino didn't just fall over by itself for no reason! It fell because the domino next to it bumped into it first.
And that domino? It fell because another domino bumped into it.
And that one? Same thing. Bump, bump, bump, all the way back down the line.
Here's the fun question a very smart man named Thomas Aquinas asked about 750 years ago: if you have a whole line of dominoes falling over, where did the very first bump come from?
Everything Needs a "Bumper"
Aquinas noticed something cool about the whole world: nothing changes or moves all by itself. Everything that moves gets moved by something else.
A soccer ball doesn't roll unless somebody kicks it.
Ice cream doesn't melt unless the sun (or your hot little hands) warms it up.
A sleepy puppy doesn't wake up and start zooming around the yard unless something — a squirrel outside, a loud noise, breakfast — gets it going.
Even you don't just wiggle your fingers for no reason at all. Something in your brain has to "turn on" first to tell your fingers to wiggle!
Aquinas called this "being moved by something else" — like the ball needing the kick, or the puppy needing the squirrel. Nothing gets going on its own. Everything needs a push from something that's already moving or already "turned on."
But Wait — Who Kicked the FIRST Ball?
Now here's where it gets interesting. If every mover needs another mover to get it started... and that mover needed another mover before it... you could keep going backward forever, like an endless conga line of dominoes, each one waiting for the one before it to bump it.
But Aquinas said: that doesn't actually work! Imagine a conga line of dancers where every single dancer is only dancing because the dancer behind them pushed them — but there's no music playing anywhere, and there's no first dancer who started dancing on their own. If nobody ever actually started the dance from their own energy, then... nobody would be dancing at all! The whole line would just stand there, frozen, forever.
So if things really are moving and changing all around us (and they obviously are — just look at a wiggly puppy, a melting popsicle, a spinning fan), then there has to be something that got the very first "dance" started — something that can make other things move and change, without needing anything else to move it first.
Aquinas said this first, un-pushed Pusher — the one who can start the whole dance without needing a bump from someone else — is what everybody means when they say "God."
Even Simpler
Think of it like this:
Things move and change (dominoes fall, puppies wake up, ice cream melts).
Everything that moves gets moved by something else first.
You can't have an endless line of "something-elses" with no beginning, or nothing would ever start moving at all.
So there must be a First Mover — something that starts the motion without needing to be pushed itself.
That First Mover is God: the very first "kick" behind every soccer ball, the very first "melt" behind every popsicle, and the very first "wiggle" behind your fingers right now.
Stay tuned for next episode…
