世界不是一个令人愉快的地方，但它是我们唯一拥有的。

译文：天气不寒冷，地面就不会被冻住，人没有到伤心的时候就不会流泪。赏析：人的言行总是随着外物的变化而变化。不以物喜不以己悲，其实很难做到的。

"The past is always tense, the future perfect."

The proletariat is the universal class, the class whose radical chains are capable of bursting asunder.

Don't let your past dictate who you are, but let it be part of who you become.

Sometimes the simplest songs are the hardest to write.