It is well-known that many animals do not stay in one place. Birds, fish and other animals move from one place to another at certain times. They move for different reasons: most of them move to find food more easily, but others move to get away from places that are too crowded.

    When cold weather comes, many birds move to warmer places to find food. Some fishes give birth in warm water and move to cold water to feed. The most famous migration is probably the migration of the fish, which is called “salmon”. This kind of fish is born in fresh water but it travels far to salt water. There it spends its life. When it is old, it returns to its birthplace in fresh water.

In northern Europe, there is a kind of mouse. They leave their mountain homes when their homes become crowded. They move down to the low land. Sometimes they move all the way to the seaside, and many of them are killed when they fall into the sea.

    Recently, scientists have studied the migration of a kind of lobster (龙虾). Every year, when the season of bad weather arrives, the lobsters get into a long line and start to walk across the floor of the ocean. Nobody knows why they do this and where they go.

    So, sometimes we know why humans and animals move from one place to another, but at other times we don’t. Maybe living things just like traveling.

    Science has a lot of uses. It can uncover laws of nature, cure diseases, make bombs, and help bridges to stand up. Indeed science is so good at what it does that there’s always a temptation (诱惑) to drag it into problems where it may not be helpful. David Brooks, author of The Social Animal: The Hidden Sources of Love, Character, and Achievement, appears to be the latest in a long line of writers who have failed to resist the temptation.

Brooks gained fame for several books. His latest book The Social Animal, however, is more ambitious and serious than his earlier books. It is an attempt to deal with a set of weighty topics. The book focuses on big questions: What has science revealed about human nature? What are the sources of character? And why are some people happy and successful while others aren’t?

To answer these questions, Brooks surveys a wide range of disciplines. Considering this, you might expect the book to be a dry recitation (背诵) of facts. But Brooks has structured his book in an unorthodox (非常规的), and perhaps unfortunate way. Instead of introducing scientific theories, he tells a story, within which he tries to make his points, perhaps in order to keep the reader’s attention. So as Harold and Erica, the hero and heroine in his story, live through childhood, we hear about the science of child development and as they begin to date we hear about the theory of sexual attraction. Brooks carries this through to the death of one of his characters.

On the whole, Brooks’ story is acceptable if uninspired. As one would expect, his writing is mostly clear and, to be fair, some chapters stand out above the rest. I enjoyed, for instance, the chapter in which Harold discovers how to think on his own. While Harold and Erica are certainly not strong or memorable characters, the more serious problems with The Social Animal lie elsewhere. These problems partly involve Brooks’ attempt to translate his tale into science.

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  When Dan Shaw gets up from the sofa in his home, Cuddles is never far away. When he wants to go outside, he doesn’t take Cuddles out for a walk—Cuddles takes him for a walk Cuddles is clearly no ordinary family pet. It is a two-foot-high miniature horse and serves as the guiding eyes of Shaw, who is blind.

      When Shaw lost his sight, his wife suggested he apply for a guide dog. Shaw, an anima lover, said he couldn’t hear to part with a dog(which usually lives about eight to ten years)and get used to a new one, perhaps several times in his life.

      Then Shaw heard of a program about the tiny guide horses. He learned that the horse possess many qualities that make them an excellent choice for guiding people. They are clean friendly, smart and have great memories. They can be trained to remain calm in noisy and crowded places. Best of all, they live for25-35 years, which would enable Shaw to have the same guide companion for most or all of his life.

      Shaw immediately applied to be and was accepted as the first person to receive a guide horse. The instant he met Cuddles, he knew he was making the right choice. Then he began his training.

      Through training, Shaw and Cuddles learned to find their way on busy streets, step over curbs(便道沿儿)and find elevator buttons. Cuddles even demonstrated(显示)its ability to step in front of Shaw and block him, to prevent him from walking into a dangerous situation The little horse also expertly led Shaw through busy shopping malls. They got along without any difficulties. Now Shaw is confident that Cuddles will change his life for the better.

 Less is more. This is why we say: reduce things by half instead of doubling them, relax instead of stressing, and slow down instead of speeding up. Apply these principles(原则) in your everyday life. You will then find yourself well along on your journey to simplification.

Separate Your Actions

   When you concentrate on one task, you find you have energy that you didn’t even know you had. Just imagine: you have to carry two heavy pigs over 100 yards. If you carry two, it will take forever. But if you tie one pig in a place, pick up the other, gather all your strength and make a dash for the finish line, pause for a moment, run back and get the other one, and carry the second pig to the finish line, then you can be sure of success.

Say“No” Firmly

   If you have the feeling that 24 hours per day are not enough for all the things you need to do, then it’s not because the day has too few hours, but because you have too many activities. The solution is equally simple: say no to accept so much work in your private life or your working life.

Allow Yourself to Be Weak

   “I can deal with stress” is regarded as a positive statement in the world of work. People who can deal with stress are given more and more to --- until one day they break.

Pay careful attention to the signs that tell you that you are under more stress than you can deal with. If you become ill, or your work efficiency decreases, change your life goals. Say quite openly,“I can’t manage that.”

Stop Expecting Everything to Be Perfect

   “If only I were slimmer, more beautiful, richer, more clever, then I would be happier.” This is a dream that makes a lot of people ill, and unhappy. Life is imperfect. Only those who accept this reality can lead a really full life.

   Of course there are activities in which errors are dangerous: driving a car; crossing the road. But life doesn’t entirely have these things. In among them there is possibility that you may make small and large mistakes.

Escape Now and Then

   Successful people all have their own places where they can be left alone in order to work. Find out which places improve your creativity. For me it’s the train. When I know that I’m going to be traveling for four hours without phone calls and people knocking on my door, I find my mind is free and I can read or write articles.