Leonard Mlodinow

Out of the thousand writers huffing and puffing through movieland, there are scarcely fifty men and women of wit and talent... Yet, in a curious way, there is not much difference between the product of a good writer and a bad one. They both have to toe the same mark.

When I have a creative insight, there is a high. I think back in the day, I made music as much as I did because it made me feel so good. I think you could argue that there is a creative addiction - but, you know, the healthy kind.