天有多高，地有多厚，通过实践才能得知。荀子强调实际行动，而非“坐而论道”。在自强不息的行动中，才能获得真知，发掘自己未知的潜能。

井水越是甘甜，就越容易枯竭；树木越是高大，就越容易被砍伐。

I’ve had people look down on me and put me down because I didn’t look like them—but that didn’t stop me.

因此，生产的最终条件是生产条件的再生产。

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

大脑皮层是进化的巅峰成就。

沙漠之所以美丽，是因为在它的某个角落隐藏着一口井水……