Tragedy is when I cut my finger. Comedy is when you walk into an open sewer and die.

我不想成为英雄。我想成为一个人。

The most beautiful as well as the most ugly inclinations of man are not part of a fixed biologically given nature, but result from the social process which creates man.

Neither the life of an individual nor the history of a society can be understood without understanding both.

做出伟大工作的唯一方法是热爱你所做的事。