"We are all astronauts on a little spaceship called Earth."
我们都是在一艘叫做地球的小宇宙飞船上的宇航员。
沉默是艺术中最响亮的声音。
Certification standards are meaningless without rigorous enforcement.
The absence of alternatives clears the mind marvelously.
质量不是一种行为,而是一种习惯。
The function of freedom is to free someone else.