【答案解析】1. The conception that one must get to know his neighbors has died out in populous cities, but it still exists in small towns and rural areas.
2. People that living in the world for the same long time may experience different ways of life: some people walk far and can enjoy many wonderful landscapes; while others only limit themselves to a narrow space and cannot realize till death how vast the world is.
3. The biggest falsehood human beings make is that they think that social and political issues are so easy that it"s not necessary to take scientific ways to deal with the issues; they can be judged and solved by practical experience, but the fact is quite the opposite.
4. You should not eliminate jealousy only by success, because there is always someone more successful than you in history. Only by enjoying what you have, doing what you should do and not making comparison with the imagined—maybe completely wrong—luckier ones, can you really eliminate envy.
5. The civilization that makes the most of human intelligence to pursue truth, control the nature, change the material for human beings use so as to exempt them from unnecessary travail and pains and free them from unwisdom and superstitions is genuine spiritual civilization.