http://www.valueinvestingworld.com/2013/05/the-importance-of-grit-rules-and.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+ValueInvestingWorld+%28Value+Investing+World%29
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Abnormal Returns. The Warren Buffett quote that comes to mind: "We don't have to be smarter than the rest. We have to be more disciplined than the rest."