Time Immemorial
A grandiose claim about the ancient question of defining numbers set-theoretically is corrected: it's a 19th-century question.
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Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2018-03-13-time-immemorial/ (CC BY-NC 4.0)Transcript
A: "Since time immemorial, mankind has asked: What are numbers? Moreover, can we provide rigorous set theoretic constructions for them?"
B: "'Time immemorial'? That game pretty much originated in 19th-century analytic philosophy."
A: "Oh I thought 'since time immemorial' meant 'no one can remember a time.' Like, 'mankind has never asked this.'" B: "Ah. Unconventional usage, but carry on."