唯一的善，是知识；唯一的恶，是无知。

The history of a nation is, in essence, the history of its ruling class.

The only freedom which deserves the name is that of pursuing our own good in our way， so long as we do not attempt to deprive others of theirs or impede their efforts to obtain it.

Don't be afraid to make mistakes, but learn from them quickly.

戏剧的力量在于它能够使不可见的变得可见，给无形的赋予形式，给无声的赋予声音。