It is one thing to show a man that he is in an error, and another to put him in possession of truth.

数学是将复杂转化为清晰的艺术。

The most successful leaders are those who can see around corners and anticipate change before it happens.

指修炼内丹时阳气初动的微妙时刻，象征天地未开、万物未生的混沌状态。