Thinking Nothing When I Wrote This
A teacher holds up a student's algebra nonsense (x + 3 = x3 = ♡), and the student cheerfully admits thinking nothing at all.
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Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2019-11-21-thinking-nothing-when-i-wrote-this/ (CC BY-NC 4.0)Transcript
Teacher (holding paper: "x + 3 = x3 = ♡"): "What were you thinking when you wrote this?" Student: "Oh, I assure you: nothing whatsoever!"