Analysts say a key question is whether Russia will continue to insist missile defense be linked to the conclusion of an arms-control agreement.

VOA: standard.2009.07.15

What I'm considering right now is the question whether sameness of soul is the key to being the same person.

我现在考虑的问题是,同样的灵魂,是否就是成为同一个人的关键。

耶鲁公开课 - 死亡课程节选