The 50-50-90 rule: Anytime you have a 50-50 chance of getting something right, there's a 90% probability you'll get it wrong.
Question #4314 posted on 03/20/2004 12:01 a.m.
Q:

Dear 100 Hour Board,

Usually, one extinguishes a candle by exhaling. Shouldn't it be possible, at least theoretically, to extinguish a flame by inhaling?

-A. A. Melyngoch

A: Dear AAM:

Yes, it is possible. Beware of smoke. Unless you're used to unfiltered, paraffin-laced gaspers. Then it probably won't bother you.

-- Misaneroth
A: Dear MAM,

Yes it is possible and yes it hurts.

The captain