Spock is described as not having emotions because he's half Vulcan, from a planet where they lack emotions.

斯帕克没有情感,因为他有半个火神的血统，他来自缺少情感的星球。

耶鲁公开课 - 心理学导论课程节选

If you don' t seek out the conflict, you won' t excel.

缺少冲突和矛盾，就没有办法胜过他人。

普林斯顿公开课 - 领导能力简介课程节选

Well, that's at least an improvement, because then we say, look, while you're asleep, even though there's no P-functioning going on, the lack of P-functioning is temporary, so you're still alive.

这至少算是个改进，因为我们能说，看，你睡着了，即便没有任何人格功能性发生，人格功能性的缺少是暂时的，就说明你还活着。

耶鲁公开课 - 死亡课程节选