“Why not just write an outline?”

In the course of explaining why Angels in America is seven hours long, Tony Kushner offers a good insight into the myth of the nice comforting outline, writing generally, and why I’m always way behind on my next book:

“I had an outline with the entire plot in two acts and one intermission. But the characters kept doing things they weren’t supposed to do. The problem with outlining is that you don’t actually know yet who these people are. You learn who they are by writing about them.