There was once a little boy who excitedly told his mom that he had just measured himself and he was six feet tall.
Mom was a little skeptical, so she asked him to measure himself again while she watched.
She discovered the problem when the boy took out not a 12-inch, but a 6-inch ruler.
He had calculated well: he was six-ruler-heights tall – he just had the wrong ruler, the wrong standard
We
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