The highest form of ignorance is when you reject something you don't know anything about.

The greatest problem of any art is to create a presence.

政治是每个公民的义务，逃避政治本身就是一种政治立场。

The most important skill for an economist is the ability to think clearly about trade-offs.

生活中最大的荣耀不在于从不跌倒，而在于每次跌倒后都能站起来。

提高就是要改变,而要达到完美就要不断改变。