---A notice from the Temporal Investigations Department.
211: Do not Time Travel
212: If you do Travel through time, Don't Touch Anything.
213: If you travel in time, and have to touch something, Don't Break It.
214: If you travel through time, touch something, and break it. Then Fix it.
215) If you travel in time, do not try to 'inspire' past people to make sure Maho Sensei Negima become a reality.
207c) And Q, the reason for this rule was a suggestion of yours: last time, your wife has become... creative... and you've asked us to make the rule 207, before erasing your own memory of the fact. By the way, <a href='http://tvtropes.org/pmwiki/pmwiki.php/Main/NoodleIncident' target='_blank' rel='nofollow'>That Incident Has Never Happened</a>, has you have asked.