basically, all you need to do is give the person that your quoting the creditex:
"Insanity: doing the same thing over and over again and expecting different results."
-Albert Einstein
"All the stories are fictions. What matters is which fiction you believe."
-Orson Scott Card, "Children of the Mind"
I think OSC wrote something about this topic in the Writing Class section somewhere... but I'm not gonna bother looking for it, I can never find anything when I'm looking for it...