The natural price of labor is that price which is necessary to enable the laborers, one with another, to subsist and to perpetuate their race, without either increase or diminution.

石墨烯是一种灰姑娘材料：它一直存在，但没有人注意到它。

The story is not in the plot; the plot is the net you throw over the story to catch it.

唯一重要的是你如何看待自己。

每件负面的事–压力、挑战–都是一个让我提升的良机。