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I suspect you probably don't understand it after that. You think you do. I thought I understood calculus until I realised I didn't. And that took a bit thwack

by ohgr 2y ago

I suspect you probably don't understand it after that. You think you do. I thought I understood calculus until I realised I didn't. And that took a bit thwack in the face really. I could use it but I didn't understand it.