"I don't think anything there was a surprise. What the assessment says is basically, things are catastrophically bad in Afghanistan, which is,I'd say, objectively true, but that things are not unsalvageable, that we can turn this around as long as we stay dedicated to the appropriate strategy and fully resource that strategy.

VOA: standard.2009.09.22

And he has a theory about early life and perfectly appropriate as far as one can tell of what pre-human form he studied.

他有一个有关早期生命的理论,一般人都会觉得很正常,他研究人类之前的生命形式没有什么不合适。

普林斯顿公开课 - 人性课程节选

We're continuing to evolve not just as a human rights concept but certainly as nations and our ethical understandings of what is appropriate.

我们在发展，不单单是人权的观念,我们的国家，道德观念,都在向前发展。

普林斯顿公开课 - 人性课程节选