“Most subjects in science and engineering, however, are narrower than these, and advanced education means deeper and narrower education. What this kind of education omits is knowledge of extent and structure of human knowledge on a trans-disciplinary scale. This means understanding — in a particular, limited sense — everything.
To avoid blunders and absurdities, to recognize cross-disciplinary opportunities, and to make sense of new ideas, requires knowledge of at least the outlines of every field that might be relevant to the topics of interest. “