Some really good ones:

"99% of being smart, is knowing what your stupid at." - Neal

"Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning." -Was on the back of something I bought.

"We are not enemies, but friends. We must not be enemies, though passion may have strength, we must not break our bonds of affection. The mystic quart of memory, will swell and again touched, and surely they will be by the better angels of our nature."
-American History X

"So easy to use, No wonder its #1" -AOL