The true ruler is the person who both acts on his own interest and of course knows what those interests are.

真正的统治者,仅干对自身有利的事,而且知道有哪些利益对他有好处。

耶鲁公开课 - 政治哲学导论课程节选

Peter is one of those cases in European history where one person's personality and interest does make an enormous difference.

彼得是欧洲历史上那些,凭借自己的个性和喜好,起到重大影响的例子之一

耶鲁公开课 - 欧洲文明课程节选

It may be obvious to you, the developer or the computer scientist or the engineer, well, obviously, I just click, here, here, here, here, here, here and voila, out comes my ticket, but most people don't have an interest in that process and a lot of people, this person in particular, just don't necessarily understand that process.

这对于开发人员，或者计算机专家或者工程师,可能是显而易见的，呃，显然地，我只要点击这里，这里，这里，这里，这里，瞧，我的票出来了，但是大多数人没有兴致,来做这些步骤，很多的人，特别是这个人，不见得懂得这些步骤。

哈佛公开课 - 计算机科学课程节选