我从未能写出一部快乐的戏剧。我不能。我可以写一部有趣的戏剧，但我不能写一部快乐的戏剧。
I have never been able to write a happy play. I can't. I can write a funny play, but I can't write a happy play.
Love is not a possession, it's an offering.
数学是给不同事物以相同名称的艺术。
每个政府的基础都是人民心中的某种原则或激情。
任何公司最有价值的资产是其员工的知识、创造力和奉献精神。