(updated 29 Dec 04) 

...and ninety-nine percent perspiration.
(Topic suggested by Chharget@aol.com)

Running a marathon is 1 percent insanity...and ninety-nine percent perspiration. (BoyWonder1911@yahoo,com)

The locker room smells like one percent balm and ninety-nine percent perspiration. (mykehalpinstudio@aol.com)

Making love to your 225 lb wife after 25 years of marriage is 1 percent fantasizing...and ninety-nine percent perspiration. (phaartking@yahoo.com) I'm sure the feeling is mutual.

Paris Hilton's Fragrance is 1% perfume...and ninety-nine percent perspiration. (Screencomposer@aol.com; william.fishburne@verizon.net)

Walking across a desert is one percent cursing...and ninety-nine percent perspiration. (TPHYLL@aol.com)

At the fair...1% clean...and ninety-nine percent perspiration. (edfurlongluver91@aol.com)

Earning a math degree is (901.1 + (pi squared)*6!)/(3*(sq rt((8!/7!)*10 to the 6th)-485) percent inspiration...and ninety-nine percent perspiration. (lanny888@yahoo.com) I thought it was 99% good calculator...silly me.

Riding with Billy Joel is one percent agitation...and ninety-nine percent perspiration. (howdly@techie.com)

My girlfriend's pregnancy test was one percent urination...and ninety-nine percent perspiration. (tpanner@inorbit.com; SPTirish@aol.com) ...and another 100% praying real hard.

Meeting your creepy in laws is one percent preparation...and ninety-nine percent perspiration. (howdly@techie.com)

Mike Tyson said winning is fifty percent preparation...and ninety-nine percent perspiration. (dorr@jam.rr.com)

Menopause is one percent aggravation ...and ninety-nine percent perspiration. (Onefriendsreply2@aol.com)

I can attest to this...I used to live in Las Vegas...

But it's a DRY heat...and ninety-nine percent perspiration. (stan@squidworks.com)