I say it is indispensable to look ahead of and behind oneself in the present. If there is such a thing as tradition, and I believe there is, it can only exist in the sense of the most profound movements of culture.
I had no difficulty as Secretary of Defense moving from the Bush administration to the Obama administration.
The society which scorns excellence in plumbing as a humble activity and tolerates shoddiness in philosophy because it is an exalted activity will have neither good plumbing nor good philosophy: neither its pipes nor its theories will hold water.

