Aha!

Knowing othersis wisdom;

Knowing self isenlightenment.

Mastering othersrequires force;

Mastering selfneeds strength.1

Finding the truth takes time, energy, and many Aha! moments. Figuring it out is very similar to taking a jolt of electricity to the brain (not that I have done that exactly!).

One of those awakenings for me occurred upon learning about the existence of a documentary from the late 1980s that profiled trader Paul Tudor Jones. Jones is now worth $3.3 billion—so evidence of his early trading days was welcomed.2

My intuition said that this out-of-circulation documentary was going to deliver the unexpected, but it was extremely tough to locate. Amazon, eBay, and most other obvious venues were dead ends. When I finally found it ...

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