Authors:

I do feel that if it's not on the page, there's no hope of it getting to the stage. You really can't take a cat and turn it into a dog, or try and get lemons off an apple tree, or what have you. Sometimes there's this real naïveté that people possess, where they want you to infuse a scene with a certain quality, and it's like an apology. "I read the script, didn't you? What's the agenda here?"

Source: film.avclub.com
I do feel that if it's not on the page, there's no hope of it getting to the stage. You really can't take a cat and turn it into a dog, or try and get lemons off an apple tree, or what have you. Sometimes there's this