People have argued over the authenticity of them, although I think by now it is established that they are his.

虽然人们曾质疑其真假，但我想现在应该尘埃落定,确定是他亲笔所写。

耶鲁公开课 - 政治哲学导论课程节选

Now I don't know if you can read it because it's a little blurry, but a diet program that's been successful over two thousand years; can't beat that kind of a track record.

我不确定你们能否读懂它,其内容有些模糊,但该减肥方案已有两千年的成功史,这个记录是难以打破的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选