Quote:
Originally Posted by Bebe
Umm, is Boondock Saints a movie? I learned that in school.
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You were lied to. That isn't the origin of "rule of thumb". There has never been anything in english common law saying that. It is however, a common misconception that this is where that saying came from. It is thought that rule of thumb just refers to the practice of estimating distance using something common to measure with, a thumb.