Jordan

“A man must know himself thoroughly if he is going to make a good job out of trading in the speculative markets. To know what I was capable of in the line of folly was a long educational step. I sometimes think that no price is too high for a speculator to pay to learn that which will keep him from getting the swelled head.”
― Jesse Livermore, Reminiscences of a Stock Operator

“The sucker has always tried to get something for nothing, and the appeal in all booms is always frankly to the gambling instinct aroused by cupidity and spurred by a pervasive prosperity. People who look for easy money invariably pay for the privilege of proving conclusively that it cannot be found on this sordid earth.”
― Jesse Livermore, Reminiscences of a Stock Operator

“A man cannot be convinced against his own convictions, but he can be talked into a state of uncertainty and indecision, which is even worse, for that means that he cannot trade with confidence and comfort.”
― Jesse Livermore, Reminiscences of a Stock Operator

“It has been more profitable for us to bind together in the wrong direction than to be alone in the right one. Those who have followed the assertive idiot rather than the introspective wise person have passed us some of their genes. This is apparent from a social pathology: psychopaths rally followers.”
― Nassim Nicholas Taleb, The Black Swan: The Impact of the Highly Improbable