I know.

I know when to stop,

I know when to let things go,

And I know when to move on,

But "i know" is different from "i can".

我知道什麽時候該停，

我知道什麽時候該放棄，

我也知道什麽時候該前進，

但是，“我知道”和“我可以”是不同的。