Chapter 12. Your state of mind (trader's psychology)

“Half this game is ninety percent mental.”

—Danny Ozark, Philadelphia Phillies manager

“Please don't think . . . that I am showing off when I say that I know the secret of how not to lose but win. I really do know the secret; it is terribly silly and simple and consists of keeping one's head the whole time, whatever the state of the game, and not getting excited. That is all, and it makes losing simply impossible . . . But that is not the point: The point is whether, having grasped the secret, a man knows how to make use of it and is fit to do so. A man can be as wise as Solomon and have an iron character and still be carried away.”

—Fyodor Dostoyevsky, The Gambler

Dr. Leroy, the head psychiatrist ...

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