## McKean's Law

> Any correction of the speech or writing of others will contain at least one grammatical, spelling, or typographical error.

## Skitt's Law

> Any post correcting an error in another post will contain at least one error itself.

## Muphry's Law

> If you write anything criticising editing or proofreading, there will be a fault of some kind in what you have written.

## Hartman's Law of Prescriptivist Retaliation

> Any article or statement about correct grammar, punctuation, or spelling is bound to contain at least one eror.