Two people already figured out all the movie but still I am telling the names:

1.Terminator("I'll be back")
2.Marry Poppins("Just a spoonful of sugar helps the medicine go down")
3.Titanic("I am the King of the World")
4.Forrest Gump("My mama always said,like is like a box of chocolates")
5.Jerry Maguire("You had me at the Hello")
6.Wizard of the OZ("There is no place like home")