From a book called, "Wisdom From The Walls," by Kristen Kammerer and
Bridget Snyder.  They compiled some really outstanding graffiti.  Some
of it is a bit risque, but some is quite funny.

The best way to a man's heart is to saw his breast plate open.
 --Women's restroom, Murphy's, Champaign, IL

If you can piss this high, join the fire department.
On the wall in the men's restroom at a height of 6 feet.  O'Ryan's
 -Irish Pub. Ashland, Oregon.

Beauty is only a light switch away.
 -Perkins Library.  Duke University.  Durham, North Carolina.

I've decided that to raise my grades I must lower my standards.
 -Houghton Library, Harvard University.  Cambridge, Massachusetts.

If life is a waste of time, and time is a waste of life, then let's
all get wasted  together and have the time of our lives.
-- Armand's Pizza.  Washington, D.C.

Remember, it's not, "How high are you?" it's "Hi, how are you?"
 -Rest stop off Route 81.  West Virginia.

God made pot.  Man made beer.  Who do you trust?  -The Irish Times. 
Washington, D.C.

Fighting for peace is like screwing for virginity.
 -The Bayou, Baton Rouge, Louisiana.

Remember, no matter how good she looks, some other guy is sick and
tired of putting up with her shit.  -Men's Room, Linda's Bar and Grill. 
Chapel Hill,  North Carolina.

To do is to be.       -Descartes
To be is to do.       -Voltaire
Do be do be do.     -Frank Sinatra
-Men's restroom, Greasewood Flats.  Scottsdale,  Arizona.

At the feast of ego, everyone leaves hungry.
 -Bentley's House of Coffee and Tea, Tucson,  Arizona.

It's hard to make a comeback when you haven't been anywhere.
 -Written in the dust on the back of a bus. Wickenburg, Arizona.

Make love, not war.  --Hell, do both, get married!
 -Women's restroom, The Filling Station.  Bozeman, Montana.

God is dead.  -Nietzsche
Nietzsche is dead.  -God
 -The Tombs Restaurant.  Washington, D.C.

If voting could really change things, it would be illegal. -Revolution
Books.  New York, New York.

A Woman's Rule of Thumb:  If it has tires or testicles, you're going
to have trouble with it.  -Women's restroom, Dick's Last Resort. 
Dallas, Texas.

JESUS SAVES!  But wouldn't it be better if he had invested?  -Men's
restroom, American University.  Washington, D.C.

If pro is opposite of con, then what is the opposite of progress?
Congress! -Men's restroom, House of Representatives.  Washington, D.C.