What is Mistake?

If a
BARBER makes a mistake,
its a new style.
If a POLITICAN makes a
mistake, its a new law.
... If a SCIENTIST makes a
mistake, its a new
invention.
If a TAILOR makes a
mistake, its a new fashion.
If a TEACHER makes a
mistake, its a new theory.
If a STUDENT makes
mistake, its a
.
.
.
.
.
.
.
"MISTAKE"

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