What are you unwilling to optimise?

I don’t think of it as research. I read for interest and enjoyment, and when I cease to enjoy it I stop. I didn’t research quantum mechanics but I was fascinated by the mystery that lies in the foundation of the observable world, of which the most familiar example is the wave/particle duality of light. I thought it was a good metaphor for human personality. The language of espionage lends itself to this duality—think of the double agent.

It’s easy to try to exaggerate the problems just to get more attention. So for me, it was very clear that the best way to deal with that was to do the best science that I was capable of doing.

Well, that’s the optimistic reading of it, which you are never able to apply when it happens. You can read it this way when it’s over. Rationally speaking, it’s a period that’s needed, because the danger for every poet, I think, is to write too much. So these are the blessed moments of silence, protecting you from writing too many poems, diluting you and what you have to say in a stream of banal poems. It’s necessary, but still very painful, because I just don’t know what to do if I don’t write poems. I still survive, but it is painful.

There are some things about being president that I still have difficulty doing. … For example, faking emotion. Because I feel it is an insult to the people I'm dealing with. For me to feign outrage, for example, feels to me like I'm not taking the American people seriously. I'm absolutely positive that I'm serving the American people better if I'm maintaining my authenticity. And that's an overused word. And these days people practice being authentic. But I'm at my best when I believe what I am saying.

So we'd say things like, let's agree that you're going to sell 57 widgets per week. If you sell them by Wednesday, please go to the beach. Don't create a problem for us, for manufacturing, for application, then we have to buy new companies, we have to buy our competitors, we have to do all kinds of things because you sold too many widgets. So go to the beach and start again on Monday.

There were times when I thought I wanted to be a cartoonist. If I weren’t a film director, I think cartoons would have been a good alternative. But I never properly studied drawing, so my drawings are strange. But when I’m prepping films, it’s good preparation — and comforting to me — to do the storyboards. It’s fun, too, like drawing a whole comic.