This might be a persistent vegetative state with no possibility of turning it on, even in principle.

这可能是个持续性植物状态,即便原则上，都没有可能重启开关。

耶鲁公开课 - 死亡课程节选

Or,is Williams right,that no,even in principle go as fantastic and science fictiony as you want ? in principle an immortal life could not be desirable?

或者Williams是否说得对？，即使原则上,你可以尽情想象无尽的美好和科幻,原则上永生并不令人向往？

耶鲁公开课 - 死亡课程节选