17. The most difficult task in speculation is not prediction but self-control. Successful trading is difficult and frustrating. You are the most important element in the equation for success.
這一點還蠻重要的。但要做我自我控制之前,先要把紀律做好,不然殊難想像如何自我控制。
所以她補了第18點,合情合理。
18. Always discipline yourself by following a pre-determined set of rules.