动力学的方程在用变分法的语言表达时是完全的。

人们想要成为未来的主人的唯一原因是为了改变过去。

当天赋不努力时，勤奋会战胜天赋。

To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things, every single day.

我们寻找数据中的异常，这些异常可以给我们带来优势。

你最害怕的东西本身其实并不可怕。是你的害怕使它显得可怕。只要勇敢地面对真相，你就会身心解放。