The time has come to realise that an interpretation of the universe—even a positivist one—remains unsatisfying unless it covers the interior as well as the exterior of things; mind as well as matter. The true physics is that which will, one day, achieve the inclusion of man in his wholeness in a coherent picture of the world.
I've always just followed my own course, whatever I found the most interesting to me at the moment. I've never had a real plan of, "I want to get from here to there, and I've got to do this. "