Movie ending with the line, "After all, tomorrow is another day.":

Gone with the Wind
Gone with the Wind was released in 1939. It starred Clark Gable and Vivien Leigh.
Source: The San Diego Union-Tribune, 1/7/2002

 
   
  Movie ending with the line, "Love means never having to say you're sorry.":

Love Story
Love Story was released in 1970, and starred Ali MacGraw and Ryan O'Neal.
Source: The San Diego Union, 1/7/2002

 
   
  Film ending with the line, "I'm having an old friend for dinner.":

Silence of the Lambs
Silence of the Lambs was released in 1991. It starred Jodie Foster and Anthony Hopkins.
Source: San Diego Union-Tribune, 1/7/2002

 
   
  Movie ending with the line, "Why, she wouldn't even harm a fly.":

Psycho
Psycho, an Alfred Hitchcock film, was released in 1960. It starred Anthony Perkins and Janet Leigh.
Source: San Diego Union-Tribune, 1/7/2002