Which tells you that a dialogue just delivered once with telling effect is often enough. Clark Gable’s ‘Frankly, my dear, I don’t give a damn’ in ‘Gone with the wind’ has been one of the immortal lines ever. For a punch dialogue to reach the masses and to remain embedded in their consciousness, it is not required that the dialogue should get repeated often.
Punch dialogues, contrary to popular opinion, are not something new and they have always there in movies, even in Hollywood ones, for that matter.