Before a dream is realized, the Soul of the World tests everything that was learned along the way. It does this not because it is evil, but so that we can, in addition to realizing our dreams, master the lessons we've learned as we've moved toward that dream. That's the point at which most people give up. It's the point at which, as we say in the language of the desert, one 'dies of thirst just when the palm trees have appeared on the horizon.'

我不是说唱歌手，我是一个美洲原住民的传奇。

A proof of a proposition is a process the nature of which is such as to produce in us a belief in that proposition.

自适应控制是根据观察到的系统行为调整控制器参数。

追求知识是一段没有终点的旅程，充满了奇迹和发现。

The only way to truly understand someone is to listen to them without judgment.