18. If a goal is worthy, then any means taken to attain it is justifiable.

　　19. People often look for similarities, even between very different things, and even when it is unhelpful or harmful to do so. Instead, a thing should be considered on its own terms, we should avoid the tendency to compare it to something else.

　　20. People are mistaken when they assume that the problems they confront are more complex and challenging than the problems, faced by their predecessors. Thus illusion is eventually dispelled with increased knowledge and experience.

　　21. Moderation in all things is ill-considered advice. Rather, one should say, Moderations is most things, since many areas of human concern require or at least profit from intense focus.

　　22. Most people are taught that loyalty is a virtue. But loyalty―whether to ones friends, to ones school or place of employment, or to any institution―is all too often a destructive rather than a positive force.

　　四 政治类

　　1. It is often necessary, even desirable, for political leaders to withhold information from the public.

　　2. There are two types of laws: just and unjust. Every individual in a society has a responsibility to obey just laws and, even more importantly,to disobey and resist unjust laws.

　　3. To be an effective leader, a public official must maintain the highest ethical and moral standards.

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