I've been thinking a lot about why it was so important to me to do The Idiot as a novel, and not a memoir. One reason is the great love of novels that I keep droning on about. I've always loved reading novels. I've wanted to write novels since I was little. I started my first novel when I was seven.I don't have the same connection to memoir or nonfiction or essays. Writing nonfiction makes me feel a little bit as if I'm producing a product I don't consume - it's a really alienating feeling.

If you're writing a book where you want to make a positive truth claim, then you should absolutely call it nonfiction or memoir. If you don't want to make that claim - if that's not what's important to you; if you're more interested in storytelling and interiority and interpersonal relationships than in objective, checkable facts about the world - then why wouldn't you call it a novel, and take advantage of what that gets you, of the extra freedom, of belonging to the tradition of the novel?

The novel tradition is the closest thing I have to a religion, and being a part of that tradition means a lot to me. I don't really see - I never have seen - why I should have to forfeit that feeling, or hope, of belonging, just because the stories I want to tell are close to my own experience.

I thought clarity of communication was the most important thing in writing, and if you really cared about getting your idea across, you would say it in the most straightforward way possible. Later, in college and grad school, I came to realize that language is a technology like any other, and that it's always evolving - clarity of expression is always evolving.

When you're reading a novel, I think the reason you care about how any given plot turns out is that you take it as a data point in the big story of how the world works. Does such-and-such a kind of guy get the girl in the end? Does adultery ever bring happiness? How do winners become winners?

I've gotten a lot of comfort from the philosophy of the Roman Stoics. For me, one of the most powerful ideas of Stoicism is that you can't pick or choose in the world what you want to happen and what you don't want to happen, and that actually if you did get to choose, the version you would come up with would be unsociable, lame, and basically less beautiful than the truth.

Writing fiction lets you be a little more emotional and unguarded, a little freer. Writing fictional characters is also really different from writing about real people. In nonfiction, you can only say so much about the people you interact with. After all, they're actual people, their version of their story trumps yours. In a novel, you can build a character, using certain parts or impressions of someone you know, and guessing or inventing others, without having to worry that your guesses or memories or inventions are wrong.