Nesterenko says if there is persistence, political will, and genuine desire to make a qualitative move away from the level of relations that characterized recent years and away from the standstill that affected the bilateral agenda, then a new treaty is entirely within reach.

VOA: standard.2009.04.02

And we need to get clear on the nature of identity or persistence or, more specifically, personal identity.

同时还要弄清同一性及,持存的本质,具体说来就是,个人同一性

耶鲁公开课 - 死亡课程节选