When we have both our feet firmly on the ground, and when we are down to earth we do not have our noses in the air.

VOA: special.2009.03.08

The question is that both tendencies are at work within philosophy and how do we encourage one side but not the other.

问题是,两种倾向同时运作于哲学之中,我们要如何鼓励其中一种,并劝阻另一种。

耶鲁公开课 - 政治哲学导论课程节选

Then that curious true man's responsibility in Jewish tradition we talked about that both in terms of not wasting resources and in terms of not destroying natural areas that they are kind of independent from being resources.

这种人类的神秘的责任,在我们犹太教传统中被解读为,不要浪费资源,也不要破坏自然环境,自然并不生来就是资源。

普林斯顿公开课 - 人性课程节选