How I learned infinity


When I was seven years old I asked my dad, “What size is the universe?”  The problem with needing a size assigned is that the entity needs an end.  So my dad posed the question to me, “What’s at the end of the universe?”

“A big wall,” I suggested.

Then he made a plea to my young mind.  He said, “What’s easier to imagine a wall surrounding the universe or an endless universe?”

It wasn’t until I was much older that I finally discarded the wall idea.

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