“Any notion that you know what's going to happen, I think is, not going to work.”
Replying to a question "about what young people who want to enter his field should study", at a book talk centered around the Writings of Albert and Roberta Wohlstetter. https://www.youtube.com/watch?v=7Sonyg_CwGo
Context: Well I certainly second that, I think in addition, well I mean other things I've written suggest reading a lot of history, and uh, clearly one of the things you want people to understand is the uncertainty of things. I mean, how you really have to look at a variety of alternative futures. Any notion that you know what's going to happen, I think is, not going to work.