And this spin is an intrinsic quality of the electron, it's a property that is intrinsic in all particles, just like we would say mass is intrinsic or charge is intrinsic.

自旋是电子的本征量，它是所有粒子的本征性质，就像我们说质量是本征的或者电荷是本征的。

麻省理工公开课 - 化学原理课程节选

And we've all been in this, where we know that it's shameful to look at this, just drive on, as Socrates would say " "mind your own business," and yet at the same time we feel, even against our will, compelled to look and think about that.

而我们都经历过这码子事，我们都明白那是不道德的人才看，我们本应继续驶离，就像苏格拉底会说的,“管好你自己的事“,但同时我们就算是违意，仍不得不看，并满脑子想着要看。

耶鲁公开课 - 政治哲学导论课程节选