Write now, right now.
[quote cite="Stephen King" url="http://www.npr.org/2013/09/24/223105565/stephen-king-on-getting-scared-nothing-like-your-first-time"]I think a lot of people have sort of suggested that the stuff that I do may be second-class because there's so much of it. My response to that is, I'm going to quit and be dead for a long time. This is the time that I've got and I want to use it to the max. I really want to try and mine everything that I've got.[/quote]