I look at the plate on my kitchen table, it's not perfectly round, it's got imperfections; but suddenly I start thinking about circles, perfectly round objects.

我看着我餐桌上的盘子,它不是正圆的,它不完美,但是我马上就可以想到圆圈,正圆的东西

耶鲁公开课 - 死亡课程节选

And I didn't think my contry was perfect.

我不认为我的国家完美。

普林斯顿公开课 - 国际座谈会课程节选

I knew that my country was not perfect.

我知道我的祖国不完美。

普林斯顿公开课 - 国际座谈会课程节选