The most dangerous risk is refusing to take any risks at all.

The ideal of behaviorism is to eliminate coercion: to apply controls by changing the environment in such a way as to reinforce the kind of behavior that benefits everyone.

 “每逢你想要批评任何人的时候”，他对我说，“你就记住，这个世界上所有的人，并不是个个都有过你拥有的那些优越条件。”

The mystery of creativity is like the mystery of freedom.

交易者最大的敌人是希望。希望是让你留在亏损交易中的原因。

适应性是在快速变化的行业中生存的关键。