No one had ever had such a friend, so affectionate,so loyal and so skillful.

一本书是一面镜子；如果一只猴子往里看，不会有哲学家往外看。

Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.

Sustainability isn't an option; it's a responsibility we owe to future generations.

财富和权力是多余的，对于那些能享受简单快乐的人来说。