The ego is the first line of defense between the self and the outside world.

VOA: special.2010.04.13

You have therefore one world, - and in fact this whole dream of Alexander-- and it was a very self-conscious, propaganda campaign and a cultural campaign on Alexander's part.

成为一个世界，事实上，亚历山大的这个梦想-,对于他本人来说，是一场自发的宣传运动及文化运动。

耶鲁公开课 - 新约课程节选

But even an ideal like self-reliance I can remake my world, I can be anything I want is changed by the Market Revolution.

甚至是理想主义的自主,我能改造我的世界,我能成就任何事,这种观念也被市场革命改变了

耶鲁公开课 - 美国内战与重建课程节选

"Around the world, our mission is the same to help women become self sufficient, achieve economic independence.

VOA: standard.2009.12.25

All of the self-discipline and all of the self-denial in the world can do nothing -- this seems to be one of the implications of this poem - can do nothing to protect the poet from an untimely death.

所有的自律和自我克制,都无能为力--这似乎是《利西达斯》的含义之一,-所有这些都无法避免这位诗人的早逝。

耶鲁公开课 - 弥尔顿课程节选

Plus it makes it, as I talked about last time, much easier to think about distributing the vaccine around the world because shots require skilled medical personnel, whereas, an oral vaccine could be self-administered.

而且,这会使得,就像我上次谈到的,这会使得疫苗更容易在世界范围内分发,因为注射需要专业医疗人员,但是,口服疫苗自己就可以服用

耶鲁公开课 - 生物医学工程探索课程节选