文学是社会的镜子，也是它的批评。

The power elite are not solitary rulers. Advisors and consultants, spokesmen and opinion-makers, are often the captains of their higher thought and decision.

牛痘可以保护人体免受天花的感染。

国家有贤德之士而不任用，不是贤德之士的过失，而应该是拥有这个国家的君主的羞耻。