Radical Skepticism
A panicked skeptic's claim that nothing is certain is turned back on itself by a calm friend.
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Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2017-10-19-radical-skepticism/ (CC BY-NC 4.0)Transcript
A: "Life is chaos! We can never be certain about anything!" B: "Are you certain?"
A: "Well... no..." B: "Then why are you so concerned about it?"
A: "Hmm. I never thought my radical skepticism would be turned against me."
B: "Funny. I thought that was the first rule of radical skepticism... but who knows?"