The development of computational complexity theory has shown us that not all problems are created equal.
Information is the key to the functioning of markets, and the lack of it can lead to market failures.
我不害怕跌倒,因为我知道我会重新站起来。
政事分散在地方,但大权集中在中央
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.