Time is the most important thing there is. That is the only element that you can't withdraw from the situation and still have the situation exist. Everything depends on time.
“I don't mind if my skull ends up on a shelf as long as it's got my name on it.”
“It's nice to be in a situation where the two books that I write for a sort of regular monthly income are also works that I enjoy immensely, rather than them being some kind of bread and butter, do it because you have to do it.”