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Letting losses run is the most serious mistake made by most investors.

( William O'Neil )

The most important thing about an investment philosophy is that you have one.

( David Booth )

The investor’s chief problem — and even his worst enemy — is likely to be himself.

( Benjamin Graham )

No matter what kind of math you use, you wind up measuring volatility with your gut.

( Ed Seykota )

The goal of a successful trader is to make the best trades. Money is secondary.

( Alexander Elder )

Patterns of price movement are not random. However, they're close enough to random.

( Jim Simons )

Risk cannot be eliminated; it just gets transferred and spread.

( Howard Marks )