Short selling is intellectually much harder than going long. You need to have a thesis, and you also need the courage to stick with it when things go against you.

Investors
David Einhorn
Born in 1968 in New Jersey, David Einhorn founded Greenlight Capital and compiled annualized returns of roughly 26% over his first decade using a long-short value-investing approach. In 2008 he publicly identified financial weaknesses at Lehman Brothers before its collapse, demonstrating the intellectual dimension of short selling and the role of the short seller as a market watchdog.
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David Einhorn's Other Quotes
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