我这一代人最伟大的发现是，一个人可以通过改变态度来改变他的生活。
The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.
"A man is not old until regrets take the place of dreams."
出自《抱朴子·广訾》。病到很急的时候就会觉得良医是重要的了，世道动乱的时候就会觉得忠贞的臣子是重要的了。