Abraham Joshua Heschel

A lot of suffering is just getting rid of dross in yourself, and lingering and hanging in the darkness is often - I say this against myself - a failure of imagination, to imagine the door into the light.

If you're a filmmaker, and every time you finish a film, you just naturally go, 'Oh, I could have done so much better,' that's not much fun, is it, really? You might as well go pick another profession if that really is how you derive satisfaction from it.