The value of unpaid work is often invisible in economic measures, yet it is the backbone of society.

屡战屡败，屡败屡战。纵然失败，更加出彩。

The best way to predict the future is to create it.

物理定律是普遍的，但我们对它们的理解在不断演变。

The only real freedom is the freedom to say no.

教育是你可以用来改变世界的最有力武器。