You ought to be able to explain why you’re taking the job you’re taking, why you’re making the investment you’re making, or whatever it may be. And if it can’t stand applying pencil to paper, you’d better think it through some more. And if you can’t write an intelligent answer to those questions, don’t do it.
Writing and making films aren't different things to me. Or maybe it has become so, now. Making film is a very long process and you have to be physically strong. The literary work is more mystical, because it's only the writer, and connected to something inside.
The key to writing for Richard (Pryor) was to just push his buttons and then know when to push the buttons on your cassette recorder. You'd get him started, then surreptitiously start recording when he got inspired and started walking around the room and improvising in character. Then you'd get it all transcribed and take credit for it.
A writer should be of as great probity and honesty as a priest of God. He is either honest or not, as a woman is either chaste or not, and after one piece of dishonest writing he is never the same again.
Perfecting and selling your writing is a lifelong task. If you are a persistent writer, you can expect your abilities to improve with time. Success is the ability to go from failure to failure without losing your enthusiasm.