朗费罗幽默的秘密源泉并不是欢乐而是悲伤。天堂里没有幽默。

To be human is to be vulnerable.

无产阶级运动是广大多数人的自觉、独立的运动，是为了广大多数人的利益。

I've learned that you can't control everything, but you can control how you react to it.

The trouble with having an open mind, of course, is that people will insist on coming along and trying to put things in it.

我不会让恐惧阻止我，我会让它激励我。