The arc of the moral universe is long， but it bends toward justice.

I think of a hero as someone who understands the degree of responsibility that comes with his freedom.

世界不是一个需要解决的问题；它是我们所属的一个生命体。

你必须强迫自己考虑反对的论点。尤其是当他们挑战你最喜爱的观点时。