自我与其说是一个实体，不如说是一个过程，而教育的不断任务是改变这个过程，发展它的活动，并引导它进入高效的渠道。
The self is not so much a substance as a process, and it is the continual task of education to change the process, to develop its activities, and to guide it into channels of efficiency.
The stock market is the story of cycles and of the human behavior that is responsible for overreactions in both directions.