I am by the way at the moment trying to do the same thing in Cuba, with absolutely no success.

现在我试图在古巴做同样的工作,但现在收获还不大。

普林斯顿公开课 - 人性课程节选

Somebody starts out poor and makes his way through hard work and dedication and effort to riches and success.

他白手起家,通过努力工作,奋发图强，最终得到荣华富贵。

耶鲁公开课 - 死亡课程节选