Sometimes we measure things and see that in the short term they actually hurt sales, and we do it anyway.

自身无灾无病，感受不到快乐，等到生病卧床，才了解到无灾无病的快乐；家中平安无事，感受不到快乐，等到祸事临头，才体会到平安无事的快乐。

数学是一种超越文化和语言障碍的通用语言。

剪辑的魔力在于看不见的过渡。