I have two main reasons for retiring. The first is I can no longer play at a level I was accustomed to in the past. That has been very, very frustrating to me throughout this past year. The second one is realizing my health, along with my family, is the most important thing in the world.
“When I write for 'n+1,' I begin by doing a lot of reading, to try to convince myself I'm not stupid. Then I scribble down a paragraph here, a paragraph there, when a notion strikes. Then I see if I can arrange those notions in a way that yields an argument.”