Probability theory is nothing but common sense reduced to calculation.

Dearer than eye-sight, space, and liberty; Beyond what can be valued, rich or rare;

Be the change you wish to see.

一个国家的力量在于其人民的韧性和创造力。

出自《抱朴子·外篇·广譬》。登山的时候，不因为山路艰险便停止，就一定能够到达山顶。积善也不会因为穷困而埋怨，便能够使自己获得长久的美名。