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Everyday I assume every position I have is wrong.

( Paul Tudor Jones )

In the business world, the rearview mirror is always clearer than the windshield.

( Warren Buffett )

I will tell you how to become rich. Close the doors. Be fearful when others are greedy. Be greedy when others are fearful.

( Warren Buffett )

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

( Ed Seykota )

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

( Jim Simons )

Large price changes tend to be followed by more large changes, positive or negative. Small changes tend to be followed by more small changes. Volatility clusters.

( Benoit B. Mandlebrot )

In investing, what is comfortable is rarely profitable.

( Robert Arnott )