I think film writing, you're thinking in pictures, and stage writing, you're thinking in dialogue. In film writing, it's also, you only get so many words, so everything has to earn its place in a really economical way. I think for stage writing, you have more leeway.
“It is no use asking me or anyone else how to dig... Better to go and watch a man digging, and then take a spade and try to do it.”
“I wasn't really the most charming person, socially - it took me a long time to develop my people skills - but the one place I was always comfortable was onstage, acting or singing.”