Previous Article Next Article Table of Contents IEEE Transactions on Automatic Control, Vol.39, No.5, 1025-1027, 1994 DOI10.1109/9.284886 Export Citation Heuristics, Rules of Thumb, and the 80/20 Proposition Ho YC In this correspondence, we discuss perspectives in our quest for optimality in design. Please enable JavaScript to view the comments powered by Disqus.