Makes a mistake

If a BARBER makes a mistake,
it’s a new style
If a POLITICIAN makes a mistake,
it’s a new law.
If a SCIENTIST makes a mistake,
it’s a new invention.
If a TAILOR makes a mistake,
it’s a new fashion.
If a TEACHER makes a mistake,
it’s a new theory.
If a STUDENT makes a mistake,
it’s a "MISTAKE"
This iz cheating...