Also, it's not the ...

Also, it's not the mathematical skill that's critical to winning, it's the discipline of being able to stick to the system. There are very few people who can withstand the losses emotionally and still stick with the system. Probably only one in five hundred people has the necessary discipline to be successful.
 Blair Hull

Quotes from the same author

It's not the mathematical skill that's critical to winning; it's the discipline of being able to stick to the system.
 Blair Hull
You can't listen to the news. You have to go with the facts. You need to use a logical approach and have the discipline to apply it. You must be able to control your emotions.
 Blair Hull