导师的职责是指导孩子的智能活动和孩子的心理。

The best traders are those who can learn from their mistakes.

One of the great mistakes is to judge policies and programs by their intentions rather than their results.

晏子春秋

The dead have much to teach the living.

在追求理解的过程中，失败不是成功的对立面；它是通向成功的垫脚石。