The human being is essentially self-determining; he becomes what he wills himself to be.

记忆是一条咬自己尾巴的狗。

The real challenge is not growing more, but growing better with fewer resources.

Fear can hold you prisoner. Hope can set you free.

开始时有一点差错，结果会造成极大的错误。

如果你想理解功能，就研究结构。