I don't think a cylinder is a circle or a square, though. It might look like one when rendered in 2D but it feels like a different thing entirely. Now that I t

I don't think a cylinder is a circle or a square, though. It might look like one when rendered in 2D but it feels like a different thing entirely. Now that I think about it, maybe you could also explain this idea by comparing Javascript's == and === operators. I don't think this changes the author's ultimate point though. It reminds me of the "Blind Man and an Elephant" parable[1], although this is a nice succinct alternative. [1]: https://en.wikipedia.org/wiki/Blind_men_and_an_elephant https://en.wikipedia.org/wiki/Blind_men_and_an_elephant