My observation over the past two decades is that most investors who significantly outperform the market over the longer run, do so because of their implicit or explicit utilization of good theories along the way. In using these, they prove less wrong than the consensus and thus end up richer.

Dr. Horace “Woody” Brock – American business consultant, founder and president of Strategic Economic Decisions, Inc. (b. 1945), Quotations book 2009