Research is a matter of overcoming obstacles. That's what research is about. There are problems. There are difficulties. It's hard to make sense of a collection of information or whatever. Obstacles are the nature of research. Maybe that's why some people give up. There's always an obstacle. You overcome one to find there's another one.
Interviewed by Harry Kreisler, February 28, 2003. In Conversations with History. Institute of International Studies, UC Berkeley.