Leibniz Windmill
A drawing of an odd folding-panel windmill design, offered as consolation: Leibniz built a failed windmill shortly before inventing calculus.
Transcript
"Next time a project of yours fails, just remember:"
"Right before coming up with calculus, Gottfried Leibniz tried to invent a windmill that looked like this. (It failed. Obvs.)"
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/2016-12-27-leibniz-windmill/ (CC BY-NC 4.0)