films and also busted ghosts on the side. >> something very important i forgot to tell you. >> what? >> don't cross the streams. >> why? >> it would be bad. >> i'm fuzzy on the whole good/bad thing. what do you mean bad? >> try to imagine all life as you know it stopping instantaneously and every body slowing at the speed of light. >> that's bad. important safety tip. thanks. >> ramis passed away yesterday after a four-year battle with a rare autoimmune disease. in addition, the chicago native was behind the scenes of some of comedy classics. two years after writing animal house, he made his directorial review in 1980 with caddie shack. he worked with bill murray several times over the years. many film fans would say the best collaboration came in the 1993 movie, groundhogs day. he was 69 years old, survived by his wife and three children. we want to know what were your favorite lines from a harold