Copywriting demigod Luke Sullivan explains, with pictures, how the creative process is like washing a pig. "It’s messy. It has no rules. No clear beginning, middle, or end. It’s kind of a pain in the ass, and when you’re done you’re not sure if the pig is really clean or even why you were washing a pig in the first place."

http://www.heywhipple.com/2012/04/30/why-creativity-is-exactly-and-i-mean-exactly-like-washing-a-pig/