Behavior is a function of the field at the time the behavior occurs.

解释：拿着棋子主意不定，就不能战胜对方。

衡量智力的标准是改变的能力。

歌唱90%在于倾听。你也必须倾听寂静。

The principle goal of education is to create men who are capable of doing new things, not simply repeating what other generations have done.

The only way to write well is to write badly first.