I think that we all know what evil is. We have a sense of what's evil, and certainly killing innocent people is evil. We're less sure about what is good. There's sort of good, good enough, could be better - but absolute good is a little harder to define.
“A good producer brings out the best in the artist he's working with. You shouldn't be able to listen to something and say, 'So-and-so produced this album.'”