That's a Quote from Aristotle
Galileo cheers a statement of inertia as the very thing he's been telling the Aristotelians. Turns out Aristotle wrote it himself.
Transcript
[Quote] "No one could say why a thing once set in motion should stop anywhere; for why should it stop here rather than there? So that a thing will either be at rest or must be moved ad infinitum, unless something more powerful get in its way."
Galileo: "Yes! Exactly what I've been trying to tell these dumb Aristotelians!" "That's a quote from Aristotle." Galileo: "Good! I'm getting through then!"
Use this cartoon
Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2019-03-20-that-s-a-quote-from-aristotle/ (CC BY-NC 4.0)