The behavior of the whole cannot be predicted from the behavior of its parts taken separately.

有一个你无法解决的问题总是好的。这意味着你有事情要做。

The only thing we have to fear is the absence of fear itself.

水的源头如果浑浊，那么水流就不可能清澈；言行不讲信用的，名声必然受到损害。

Language is both a bridge and a barrier.

I'm not perfect, but I pursue perfection.