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21. It is only when we cannot see perfectly that we realize how important our eyes are.
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22. They can see things that are far away, but they have difficulty in reading a book unless they hold it at arm¡¯s length.
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23. The same comment is made from generation to generation and it is always true.
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24. Events that the older generation remembers vividly are nothing more than past history.
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25. What they reject more than anything is conformity.
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26. These are not questions the old generations can shrug off lightly.
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27. Most customers who go to a supermarket buy from a shopping list.
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28. The comfort and convenience of shopping centers is another factor which makes them popular with customers.
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29. Most of the ill health we suffer could be prevented if people made more effort to change their life styles. 
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30. Similarly all advertising of alcohol should be banned and compensation paid to families of alcoholics who die of the liver disease.
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31. Although mother¡¯s day is a relatively new holiday in America, more and more other countries are also setting aside a day to honor their mothers.
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32. No longer was she so gentle, so relaxed and easy-going.
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33. Some people think that man might be able to solve both problems at the same time.
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34. Sometimes what people say hides their real meaning.
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35. The minute you spend thinking about the real meaning of what people say to you may save another mistake.
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36. Contrary to popular belief, colds are not caused by exposure to severe weather.
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37. The custom can be traced back to the roman era.
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38. A more common belief is tips were first given in the 18th century England.
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39. In America and Europe it is customary to tip anywhere from 10% to 20%.
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40. Today most people decide the size of tip according to the quality of the service.
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