I came across this question about great programming quotes on stackoverflow - check it out.

  Hofstadter's Law: It always takes longer than you expect, even when
  you take into account Hofstadter's Law.
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  "Always code as if the guy who ends up maintaining your code will be
  a violent psychopath who knows where you live." -Rick Osborne
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  Some people, when confronted with a problem, think "I know, I’ll use
  regular expressions." Now they have two problems - Jamie Zawinski
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  Java is to JavaScript what Car is to Carpet.
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  It works on my machine - anonymous programmer.

image via dratz's photostream