The major difference ...

The major difference frequently is in time. The motion picture, for example, gives you considerably more freedom of expression than does the confined thirty-minute television show. But in essence, they're not that dissimilar.
 Rod Serling

Quotes from the same author

Most screenplays, most motion pictures, owe much more to the screenplay. Ingmar Bergman has such an economy of language, so little language in his piece, it is so visual, his moods are introduced and buttressed by camera rather than by word or character. But again, that's unique.
 Rod Serling
I'd love to be able to write an in-depth piece of what causes men like [Richard] Nixon and [H.R.]Haldeman and [John] Ehrlichman and all the rest of them not only to run, but what causes us to vote for them.
 Rod Serling
I just want people to remember me a hundred years from now. I don't care that they're not able to quote any single line that I've written. But just that they can say, "Oh, he was a writer." That's sufficiently an honored position for me.
 Rod Serling
We're developing a new citizenry. One that will be very selective about cereals and automobiles, but won't be able to think.
 Rod Serling
Now death is with us in such abundance and hovers over us in so massive a form that we don't have time to invent a mythology, nor is our creativity directed toward same. Now it's to prevent death.
 Rod Serling