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All conventional wisdom has an element of truth to it, but good design requires more than an element of truth - it requires an ensemble of correct assumptions and valid calculations.

"ASK OCE Interview: Five Questions for Dr. Henry Petroski". Interview with Henry Petroski, appel.nasa.gov. July 20, 2006.
All conventional wisdom has an element of truth to it, but good design requires more than an element of truth - it requires an ensemble of correct assumptions and valid calculations.