Mine is right in my signature... "The greatest thing you'll ever learn is to love, and be loved in return". It's in the Moulin Rouge movie and is said by the character Christian
Oh I just had to add this one... I love it!! "I'm trying to see things from your point of view, but I can't stick my head that far up my @$$" lmao. That one is so awesome. I probably have more, but ah well. those 2 are my favs.