When I was ~14, I read a line from Grand Admiral Thrawn in the Star Wars novel Heir to the Empire. It's not especially profound, but the younger one is exposed to this mentality, the better.
> Do you know the difference between an error and a mistake, Ensign? Anyone can make an error, Ensign. But that error doesn't become a mistake until you refuse to correct it.
> Do you know the difference between an error and a mistake, Ensign? Anyone can make an error, Ensign. But that error doesn't become a mistake until you refuse to correct it.