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A childhood belief about classes

My teacher told me that if you drew two straight lines on a page that were not parallel lines, they would eventually cross one another if you made them long enough. She said that if the page was not big enough, you could extend the lines on the floor and you would see that eventually they would cross. I thought I was smarter than mathematicians because I knew that if you needed a lot of space to extend the lines, you could have to go around the world, in which case they would cross in two places! I thought I might win the Nobel Prize for my theory.

— Els

others believed things like this

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