Originally Posted by Kevsh

"Play it." (aka "Play it again, Sam")
"Here's lookin' at you, kid."
"I coulda been a contender!"
"Say hello to my little friend."
"You know how to whistle don't you? Just put your lips together and blow."
"I'll be back."
"Bond, James Bond."

Just to name a few.

Can't stand it but "show me the money!" was hugely popular.
Also "life is like a box of chocolates ..."