Fumblerules

Fumblerules are humorous rules for writing. Each rule contradicts the advice it gives, such as "Don't use no double negatives." They were written by William Safire under the name "Fumblerules," although similar list by science editor George L. Trigg was published earlier.

External link

http://www.yaelf.com/aueFAQ/miffmblrlsdntsndbl.shtml