The human voice is the most beautiful instrument of all, but it is the most difficult to play.
专家就是在一个非常狭窄的领域里犯了所有可能犯的错误的人。
Our evolved psychology is the foundation of all culture, not the other way around.
Sustainability isn't an option - it's our responsibility to future generations.
要真正理解宇宙,我们必须首先理解我们理解的极限。