I'm a very lazy person by nature. I have to be really engaged, and then I go straight from lazy to obsessive. I couldn't study chemistry, but I could memorize all the books for Dungeons and Dragons. It was ridiculous. The trick is to find what I like to do.
It's like whether you're in a huge movie or you've just recorded an incredible album you've got to do the next thing, and that's part of being an artist.
The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.