If you find that a point cannot be made without narration, it is virtually certain that the point is unimportant to the story (which is to say, to the audience).
David MametI grew up in a tough neighborhood and we used to say you can get further with a kind word and a gun than just a kind word.
David MametA play is basically a long, formalistic polemic. You can write it without the poetry, and if you do, you may have a pretty good play. We know this because we see plays in translation. Not many people speak Norwegian or Danish or whatever guys like Ibsen spoke, or Russian - yet we understand Chekhov and the others.
David Mamet